Coincidence or Campaign?

Here's What Nobody's Telling You About The "Missing Scientists" Cases

A dozen American scientists tied to nuclear weapons, propulsion, and aerospace research have died or vanished in three years. The FBI has finally opened a "holistic review." A working engineer's look at the signal-to-noise ratio.

An investigative feature | April 2026

The question on the table

On April 21, the House Committee on Oversight and Government Reform sent letters to the FBI, the Department of Energy, the Department of War, and NASA demanding answers about a list of "scientists and other personnel connected to U.S. nuclear secrets or rocket technology who have died or mysteriously vanished in recent years."¹ Two days later, FBI Director Kash Patel told Fox News the bureau would "spearhead the effort to look for connections."² President Trump, asked about the cases, called them "pretty serious stuff" and said he hoped it was coincidence — "but some of them were very important people, and we are going to look at it."³

The list now stands at thirteen. It runs from a Caltech astrophysicist gunned down on his porch in February to a NASA propulsion engineer found burned beyond recognition in his own Tesla on a back road in Alabama. It includes a retired Air Force major general who walked out of his Albuquerque home with a .38 revolver and has not been seen since, two Los Alamos employees who left their wallets and keys behind, and an MIT plasma physicist shot at his front door by a man who had been planning the attack for at least three years.

Seen all at once, the list is alarming. Pulled apart case by case, it begins to fragment — into a probable carjacking, a probable lone-gunman vendetta, several probable suicides, and a much smaller residue of cases that genuinely defy ordinary explanation. The work of investigation, as opposed to viral aggregation, is figuring out which is which.

This piece walks the cases. It distinguishes the ones that warrant a closer look from the ones that do not. It identifies the connection that has, so far, attracted less attention than it deserves. And it tries to answer the question Speaker Comer has begun asking publicly: once you see the facts, does it suggest something sinister, or does it suggest a country with 340 million people and a tabloid press?

The roster

Name	Age	Affiliation / Specialty	Date	Status
Amy Eskridge	34	"Anti-gravity" / propulsion researcher, Huntsville, AL	Jun 11, 2022	Ruled self-inflicted gunshot
Michael David Hicks	—	NASA JPL, contributor to DART asteroid mission	2023	Cause of death not publicly released
Frank W. Maiwald	61	NASA JPL principal investigator, space instrumentation	Jul 4, 2024	Cause undisclosed in obituary
Anthony Chavez	78	Retired Los Alamos National Lab construction foreman (DARHT facility)	May 8, 2025	Missing
Monica Jacinto Reza	60	Director, Materials Processing Group, NASA JPL; Aerojet Rocketdyne alum	Jun 22, 2025	Missing (Angeles National Forest)
Melissa Casias	53	Administrative assistant, Los Alamos National Lab	Jun 26, 2025	Missing
Joshua LeBlanc	29	NASA Marshall, Space Nuclear Propulsion / DRACO program	Jul 22, 2025	Burned in single-vehicle Tesla crash
Steven Garcia	48	Contractor, Kansas City National Security Campus (NW components)	Aug 28, 2025	Missing
Jason R. Thomas	45	Senior investigator, Novartis Institutes for BioMedical Research	Dec 12, 2025 (missing); body recovered Mar 17, 2026	Body recovered, Lake Quannapowitt; manner pending
Nuno F. G. Loureiro	47	MIT Plasma Science & Fusion Center director	Dec 15, 2025	Murdered (Brookline, MA)
Carl J. Grillmair	67	Caltech / IPAC astrophysicist; Spitzer, WISE	Feb 16, 2026	Murdered on porch (Llano, CA)
William Neil McCasland	68	Ret. USAF Maj. Gen.; former AFRL commander, Wright-Patterson	Feb 27, 2026	Missing

The cases divide naturally into three groups: those with confirmed perpetrators or confirmed manner of death; those that are almost certainly self-harm or accidents but include some lingering ambiguity; and a smaller core that is genuinely strange.

Group one: solved, or close to it

Carl Grillmair, Caltech (Feb 16, 2026)

Grillmair, 67, was a senior research scientist at Caltech's Infrared Processing and Analysis Center. He had spent decades on Spitzer, WISE, and the Hubble cameras; he discovered water signatures around multiple exoplanets and identified faint stellar streams from disrupted dwarf galaxies. He kept a private observatory at his rural home in Llano, in the Antelope Valley, because the desert sky offered better seeing.⁴

On the morning of February 16, he was shot once in the torso on his front porch. Los Angeles County Sheriff's deputies were already responding to a nearby carjacking call, arrested 29-year-old Freddy Snyder, and quickly tied him to the shooting.^5,6 Snyder lived two miles from Grillmair. On December 20, 2025, Grillmair himself had reported Snyder for trespassing on his property while carrying a rifle. Snyder was arrested on a weapons charge — and released on his own recognizance three days later when the charge was dismissed for reasons local authorities have not explained.⁵ Two months later, Grillmair was dead.

Grillmair's wife told reporters her husband had described Snyder as "strange" but said she does not believe his death is connected to any of the other scientist cases. The motive remains formally undetermined; detectives say the two men did not know each other.⁶ Grillmair's name is on the FBI's review list,⁷ but the case has the structure of a tragic, locally-grown failure — an erratic neighbor with a rifle, a charge dismissed, and a man left to defend himself with a porch and no security camera. It is the kind of case in which a working county prosecutor's office is far more likely to find answers than a counterintelligence task force.

Nuno Loureiro, MIT (Dec 15, 2025)

Loureiro, 47, ran the MIT Plasma Science and Fusion Center, one of the largest laboratories on the MIT campus and a marquee institution in the U.S. magnetic-confinement fusion program. He was Portuguese, theory-trained, and had built his reputation on the physics of solar flares and reconnection events.

On December 13, 2025, Claudio Manuel Neves Valente — a 48-year-old Portuguese national who had been a graduate student at Brown two decades earlier and a classmate of Loureiro's at Lisbon's Instituto Superior Técnico in the late 1990s — opened fire in a Brown engineering building during an economics study session, killing two students and wounding nine others. Two days later, Valente drove to Brookline, conducted what police characterized as roughly twelve hours of "preoperational surveillance" of Loureiro's neighborhood, then rang the doorbell at 9 Gibbs Street wearing a yellow safety vest and carrying a barcoded box to look like a delivery driver. When Loureiro stepped into the foyer, Valente shot him in the chest, abdomen, and legs and drove away with his headlights off. Loureiro died at Beth Israel Deaconess Medical Center the next morning. Valente was found dead of a self-inflicted gunshot wound in a Salem, New Hampshire storage unit on December 18.^8,9

The Justice Department has released transcripts of videos Valente recorded after the killings. He admitted in Portuguese to having planned the Brown shooting "for at least six semesters" and said he had rented the storage unit for three years. He gave no formal motive, declined to apologize, and complained mostly about a self-inflicted eye injury he had sustained while shooting Loureiro at close range.¹⁰ Reporting from The Boston Globe indicates Valente harbored long-running resentment over Loureiro's career success.¹¹ Brookline police records describe a meticulous, days-long stalking operation by a single, mentally disturbed man.⁹

This is — to a near certainty — the work of a Portuguese-Portuguese grudge that ripened for thirty years in one man's head. It is not the work of a foreign service. Massachusetts Congressman Stephen Lynch, on the Oversight Committee, has nevertheless said he does not believe Valente was responsible, suggesting he wants the investigation to take a closer look.¹² The forensic record, the surveillance footage, the recovered shell casings, and Valente's own confession videos make that an unusual position to take.

Amy Eskridge, Huntsville (Jun 11, 2022)

Eskridge has become a lodestar of the conspiracy version of this story. A 34-year-old who described her own work as "anti-gravity" research with relevance to UFO propulsion, she co-founded a now-defunct Institute for Exotic Science and was associated with her father's Holocron Engineering. She had no peer-reviewed publications. Her death was ruled a self-inflicted gunshot wound. Friends — including the British paranormal researcher Frank Milburn, who has been the principal source on her case — have circulated text messages in which she predicted she would be killed and made to look suicidal, and have alleged that she was harassed by a directed-energy weapon and tailed by an unmarked Lexus that changed its license plates in front of her apartment.¹³

The narrative is internally inconsistent. The harassment campaign as Eskridge described it would have been, simultaneously, sophisticated enough to murder her undetected and clumsy enough to flag itself by changing license plates in her line of sight. She had, by her own account, ample opportunity to publish her findings online, and did not. Milburn's separate claim — that British special forces shot down a non-human craft in northern England in the 1980s and pursued its occupants on quad bikes — is not the testimony of a witness who improves the credibility of the cases he attaches himself to.

None of which is to say Eskridge could not have been mentally unwell and harassed by someone. Both can be true. But there is no public evidence that she possessed any technology of value to a foreign service, and the most parsimonious reading of the case is the one the medical examiner reached.

Group two: probable but not certain

William Neil McCasland (Feb 27, 2026)

McCasland is the case that, by Rep. Eric Burlison's own admission, started the congressional probe.¹⁴ A retired Air Force major general, he commanded the Air Force Research Laboratory at Wright-Patterson and oversaw research at Los Alamos. He sits in the Podesta email leaks because Tom DeLonge identified him as an inside source for the To-The-Stars Academy UFO push, and he has long been called the "UFO general" in fringe-adjacent circles.¹⁵ Burlison's staff was actively trying to schedule an interview with him on a separate matter when he disappeared.

The 911 audio is the most useful single artifact in the entire roster. McCasland's wife reported him missing about an hour after returning from a doctor's appointment. He had left his phone, his prescription glasses, and his smartwatch behind. He had taken his wallet, hiking boots, and a .38 revolver. His wife told the dispatcher he was being treated for anxiety, short-term memory loss, and lack of sleep, and had told her he did not want to keep living if his brain and body kept deteriorating. She emphasized she thought this was a "yes-you-do" comment, not a stated plan, but the call also describes a deliberate disappearance — phone deliberately powered off, change of clothes, no vehicle taken — by a man who knew what he was doing.¹⁶

A search-and-rescue effort in the Sandia foothills was hampered by ambient heat that washed out infrared imagery. He has not been found. The simplest reading is that an elderly man in declining health and possessing a firearm walked into the desert to end his life on his own terms. That reading does not require, but does not exclude, the possibility that someone wanted to talk to him before he could be interviewed by the committee. The disappearance of a man who left no body, in country that absorbs bodies, is a fact pattern that will reward continued attention regardless of which way it ultimately resolves.

Joshua LeBlanc (Jul 22, 2025)

LeBlanc, 29, was a NASA Marshall electrical engineer working on Space Nuclear Propulsion instrumentation and control. He led NASA's I&C effort on DRACO, the joint NASA/DARPA Demonstration Rocket for Agile Cislunar Operations — a nuclear thermal propulsion engine intended to enable crewed Mars missions.¹⁷ This is precisely the kind of technology that the Comer/Burlison letters are most exercised about: dual-use, tightly held, and of obvious interest to several foreign services.

His Tesla's Sentry-mode telemetry shows the car sat at Huntsville International Airport for four hours that morning, then drove west on back roads toward Florence, Alabama, where it left the road, struck a guardrail and several trees, and burned. His body was burned beyond recognition; he was identified by forensic odontology three days later. His phone, wallet, and dog were left at his apartment. His family had reported him missing at 4:32 a.m., before the crash. None of the trip was on his calendar.^18,19

It is technically possible to contrive a scenario in which LeBlanc was abducted, driven to the airport, met someone, then was put back in his Tesla and crashed — but a Tesla is, from a tradecraft point of view, an exceptionally bad murder weapon. It records. The cabin camera records. Sentry mode records. Whatever happened in that four-hour parking-lot window will likely be discoverable if the FBI now applies counterintelligence-grade attention to the data, which to date has not been done. This is the case in the entire roster where federal involvement most clearly adds capability that local law enforcement does not have, and where the underlying program — nuclear thermal propulsion — most clearly justifies it.

Jason Thomas (Dec 12, 2025 — Mar 17, 2026)

Thomas was a senior investigator at Novartis Institutes for BioMedical Research in Cambridge, working on cancer drug discovery. He held degrees in physics, biology, and biophysics. He had lost both parents in autumn 2025 and was, per his family, struggling. He walked away from his Wakefield, Mass., home around midnight on December 12, leaving phone, wallet, and Apple Watch behind. His body was found in Lake Quannapowitt — a short walk from his house — on March 17, after the lake thawed. The Middlesex DA's office says foul play is not suspected; the medical examiner has not yet ruled.^20,21

Fortune has reported that Novartis holds active Department of Defense contracts and that Thomas has therefore been folded into the federal review.²² But cancer drug discovery is not, in the ordinary case, the kind of work for which a foreign service would dispatch a wet team. The bereavement timeline, the proximity of the body to the home, the absence of personal effects, and the season are all consistent with a single, ordinary, terrible explanation that has nothing to do with any of the other cases.

Frank Maiwald and Michael David Hicks, JPL (2024 and 2023)

Both were long-tenured JPL researchers; Maiwald a principal investigator on space instrumentation, Hicks a contributor to NASA's DART asteroid-deflection mission. Neither obituary lists a cause of death. Both predate the cluster the Oversight Committee is concerned about, and both appear on lists primarily because they raise the headcount.^22,23 Without coroner findings, no inference is possible — but no inference of foul play is supported either. Including unexplained deaths from years past on a list of recent suspicious activity is the move that makes the entire list vulnerable to dismissal.

Group three: the cases that don't go away

Five cases survive serious scrutiny. They are the cases worth investigating, and they share more than the press reporting has so far conveyed.

Reza and McCasland worked together, on the same Air Force–funded reusable-vehicle and weapons-materials program, in the early 2000s.
Both are missing.

Monica Jacinto Reza, NASA JPL (Jun 22, 2025)

Reza, 60, was director of the Materials Processing Group at the Jet Propulsion Laboratory and had previously worked at Aerojet Rocketdyne. She held a patent on a nickel-based superalloy used in rocket manufacturing — work that, per Fortune, fed downstream into reusable-vehicle programs including Blue Origin's New Glenn and SpaceX's Starship.²² She was hiking with a friend on Mount Waterman, in the Angeles National Forest off the Angeles Crest Highway, when the friend turned around to find she had vanished — having waved and smiled moments before. Despite extensive searches, no body, no clothing, and no trace have been recovered.^24,25

The professional-grade objection that the Tucker Carlson commentary raised — that no competent operator would extract a target standing thirty feet from a witness — has weight, but only if the goal was extraction. If the goal was disappearance, the steepness, density, and porosity of that terrain are not friendly to searchers, and a fall (deliberate, accidental, or assisted) into one of the local ravines could absolutely produce this result. The fact that the Comer/Burlison letters single out Reza is what makes her case central:

"Aerojet Rocketdyne and JPL engineer Monica Reza and retired Air Force Maj. Gen. William Neil McCasland... worked together on an Air Force–funded research program in the early 2000s pertaining to advanced materials needed for reusable space vehicles and weapons."²²

That is the specific node in the network. Two people who collaborated on materials for reusable hypersonic and space vehicles in the early 2000s have, twenty years later, both vanished within eight months of each other from different states. Comer's office characterizes that connection as "not explained" by any agency.²² It is the single fact, in the entire pile, that is not consistent with any innocent statistical reading. If that link survives further investigation, the rest of the conversation changes.

Anthony Chavez, Los Alamos (May 8, 2025)

Chavez, 78, supervised construction at the Dual-Axis Radiographic Hydrodynamic Test (DARHT) facility — the Los Alamos installation that uses high-energy radiography to image hydrodynamic experiments related to nuclear primary implosion. He had retired in 2017. He left his home in Los Alamos on foot, taking nothing — wallet, keys, phone all left behind — and his car was locked in the driveway. There were no signs of forced entry or struggle.^1,26

An exhaustive search has produced nothing. The age of the subject and the date suggest the possibility of medical incapacitation or suicide; the facility he supervised suggests something else. Chavez has been retired for nine years; whatever he knew, he has known for nine years. The temporal coincidence with the broader cluster is what keeps him on the list.

Steven Garcia, Kansas City National Security Campus (Aug 28, 2025)

Garcia, 48, was a property custodian — but a property custodian with a high security clearance, overseeing tens of millions of dollars in classified and unclassified equipment at the Kansas City National Security Campus, where roughly 80% of the non-nuclear components of U.S. nuclear weapons are manufactured.²⁷ The position is a logistics one; the access is not. He left his Albuquerque home on foot at 9 a.m. carrying his handgun, leaving wallet and keys. Police initially said he might be a danger to himself; sources close to him have disputed that he was mentally unstable.

The signature — Albuquerque, on foot, with weapon, no personal effects — is the same signature as McCasland's, six months earlier, in the same metro area. That repetition is not by itself proof of anything, but it is a pattern, and patterns are exactly what investigators are paid to attend to.

Melissa Casias, Los Alamos (Jun 26, 2025)

Casias, 53, was an administrative assistant at Los Alamos. She had no specialized scientific access, but administrative assistants in classified environments routinely see and route material that their job titles do not advertise. She was last seen walking eastbound on NM-518 near Talpa, in Taos County, after dropping lunch off for her daughter. A pair of her shoes was later recovered. Both her personal and work phones were factory-reset. Her family says she had upcoming plans to care for her mother through surgery and her disappearance was not voluntary.^1,28

The factory-reset detail is the one that does not go away easily. A confused or impaired person does not perform a factory reset; that is an affirmative, deliberate action, and it can be performed under duress as easily as voluntarily.

The Aerojet Rocketdyne node

Pull back from the individual cases and a single thread runs through more of the roster than is comfortable. Reza was Aerojet Rocketdyne. McCasland's AFRL was the Air Force home of the X-51 WaveRider, the scramjet test vehicle Aerojet built. LeBlanc was on NASA's nuclear-thermal propulsion line. Aerojet (now an L3Harris subsidiary) holds the lead position in U.S. air-breathing hypersonic propulsion, with active Pentagon contracts including the $22 million GAMMA-H additive-manufacturing program for hypersonic scramjet components.^29,30

Hypersonic propulsion is the U.S. defense program that China and Russia have most aggressively targeted in the open-source record, and Iranian intelligence has had a documented interest in U.S. nuclear-adjacent personnel for two decades. Former FBI assistant director Chris Swecker has publicly described the pattern of the cluster as "consistent with how several foreign powers operate, by abducting, blackmailing, torturing, and even killing scientists to gain intel."²² Comer himself has said the underlying suspects, if foreign, would most likely be China, Russia, or Iran.³¹

That is not the same as evidence. It is a hypothesis with the right shape. It is also a hypothesis that cuts against the most reassuring data point in the whole story: the Energy Security and CSIS analysts who have looked carefully at the cluster all observe that the dead and missing are not working on a single project or weapons system. As Joseph Rodgers of the CSIS Project on Nuclear Issues put it, "If all of the scientists were working on one project or weapons system, then I'd be more suspicious."³² The Reza–McCasland link is a single program. The rest of the cluster is not — yet.

What are the odds? An actuarial reading

The press coverage has not, so far, attempted the most basic discipline that should anchor a story like this — putting actual numbers on the question. The lawmakers say "this is unlikely to be coincidence." The energy-security analysts quoted in CBS and the Globe say "I don't see a connection." Both positions can be tested. The relevant data are public.

The exercise has three pieces: the probability that this group would experience this many natural deaths in this window; the probability that they would experience this many accidental deaths; and the probability that they would experience this many homicides, given the actual crime rates of the actual communities they lived in.

Natural death

Using the SSA 2021 period life table, the annual all-cause mortality probability for each individual at the time of their death or disappearance, scaled to a three-year exposure window:

Name	Age	Sex	Annual p(death)	3-yr P(death)
Eskridge	34	F	0.00115	0.0034
Hicks	~55	M	0.00870	0.0259
Maiwald	61	M	0.01285	0.0381
Chavez	78	M	0.05447	0.1546
Reza	60	F	0.00738	0.0220
Casias	53	F	0.00475	0.0142
LeBlanc	29	M	0.00185	0.0055
Garcia	48	M	0.00524	0.0156
Thomas	45	M	0.00425	0.0127
Loureiro	47	M	0.00488	0.0146
Grillmair	67	M	0.02065	0.0607
McCasland	68	M	0.02236	0.0656
Sum of expected deaths (all causes, 3 years):				≈ 0.43

Take twelve people of these specific ages and sexes at random from the U.S. population and run the clock for three years, and you would expect — on a pure all-cause-mortality basis, including every cancer, heart attack, stroke, accident, suicide, and homicide combined — about 0.4 deaths. The roster has produced seven confirmed deaths and five long-term unresolved disappearances. Even setting the disappearances aside, seven observed against 0.43 expected is roughly 16 times the actuarial expectation.

The Poisson tail probability of seven or more events when 0.43 are expected is approximately 5 × 10⁻⁷, or about one in two million. Including the disappearances at a conservative 50% mortality assumption raises the count to nine and pushes the tail probability below one in a hundred million.

The age structure of the roster does most of the actuarial work. Chavez at 78 alone contributes more than a third of the expected count. McCasland and Grillmair together contribute another third. Strip out the three subjects over 65 and the expected count for the remaining nine drops to about 0.15 — against six observed deaths, a ratio closer to 40-fold.

The rebuttal to this calculation is selection bias: this group was not assembled at random, it was assembled because its members died or vanished. The proper denominator is the entire population of nuclear and aerospace researchers, retirees, contractors, and adjacent personnel — call it 200,000 to 400,000 people, an estimate that is conservative — and against that denominator, twelve deaths and disappearances over three years is well within the expected background. So the all-cause natural-mortality argument, by itself, doesn't carry the case. But it does dispose of the lazy reading. Saying "people die, get over it" is not a numerical argument; it is the absence of one.

Accidental death

The U.S. all-ages unintentional injury death rate runs at roughly 65 per 100,000 per year, with motor-vehicle deaths accounting for about 12 per 100,000 of that total. Over three years and twelve people, the expected number of accidental deaths in this group is approximately:

12 × 3 × 65 / 100,000 ≈ 0.023 accidental deaths total
12 × 3 × 12 / 100,000 ≈ 0.004 motor-vehicle fatalities

Observed motor-vehicle fatalities in the roster: at least one (LeBlanc), and arguably zero, since the manner has not been formally adjudicated and the circumstances — four hours stationary at an airport before the crash, no calendar entry, missing-person report filed before the crash — are inconsistent with an ordinary single-vehicle accident. Treating LeBlanc as a vehicle fatality, observed-to-expected ratio is approximately 250-fold. The Poisson tail probability of one or more such events is roughly 0.4%; one in 250.

One observed event is, of course, not a strong statistical claim by itself. But the vehicle-accident hypothesis was the explanation the public was asked to accept before the FBI took the case, and the actuarial reading shows why that explanation always required scrutiny rather than reflex acceptance.

Homicide, by community

This is the calculation that matters most, because the homicide signal is the one that survives selection bias. Homicide victims are not easier to add to a "missing scientist" list than natural deaths are; if anything, homicides are more likely to be excluded as obvious local crime. The fact that homicide is over-represented on this list is a property of the underlying events.

National baseline U.S. homicide rate (2023–2024 FBI data): approximately 6.0 per 100,000 per year. Community-specific homicide rates for the actual locations of these cases:

Community	Subjects	Pop.	Homicide rate (per 100k/yr)	3-yr P(homicide), per subject
Los Alamos, NM	Chavez, Casias	~19,600	~0 (last reported murder rate: 0)	≈ 0.00006
Albuquerque metro, NM	McCasland, Garcia	~560,000	~17	≈ 0.00051
Brookline, MA	Loureiro	~64,000	~1	≈ 0.00003
Llano, CA (Antelope Valley)	Grillmair	LA Co. ~10M	~6	≈ 0.00018
Wakefield, MA	Thomas	~27,000	~1	≈ 0.00003
Huntsville, AL	Eskridge, LeBlanc	~225,000	~12	≈ 0.00036
Pasadena/JPL area, CA	Reza, Hicks, Maiwald	—	~6 (LA Co. avg)	≈ 0.00018

Sum across all twelve subjects of the per-individual three-year homicide probability (using each subject's actual community of residence) gives an expected total of:

Σ P(homicide) ≈ 0.0023 over three years across all twelve subjects.

That is the number to keep in mind. The expected number of homicides in this group, given where these people actually lived, is roughly two-tenths of one percent.

Observed homicides: two confirmed (Loureiro and Grillmair), with arguments to be made — though far from established — for treating LeBlanc and McCasland as additional candidates. Two confirmed against 0.0023 expected is an observed-to-expected ratio of approximately 870-fold. The Poisson probability of two or more homicides when 0.0023 are expected is approximately 2.6 × 10⁻⁶ — about one in 380,000.

The geographic loading is the single most counterintuitive part of the calculation. Loureiro lived in Brookline, where the murder rate runs at roughly one per hundred thousand per year — a community where, in any given three-year window, the expected number of homicides among any twelve randomly chosen residents is essentially nil. He was the homicide victim. Grillmair lived in rural Llano, the kind of unincorporated desert community where a homicide is locally a once-a-decade event. He was the homicide victim. The two homicides on this list happened in the two communities on the list with the lowest local homicide rates.

If anything, the calculation understates the anomaly, because the demographic profile of the actual victims — middle-aged and elderly white-collar professionals with no criminal record and no lifestyle exposure — is among the lowest-risk subpopulations for homicide victimization that the U.S. produces. The CDC's stratified data put the homicide rate for white males 45–64 at roughly 3 per 100,000, and for those 65+ at under 2. Adjust the calculation for that and the expected count drops by another factor of two to three; the observed-to-expected ratio approaches 2,000-fold.

Disappearance

U.S. NamUs and FBI NCIC data indicate roughly 600,000 missing-person reports filed annually, of which the vast majority are resolved within days to weeks. Long-term unresolved adult disappearances — cases active beyond a year — number on the order of 100,000 nationally at any given time, against a population of 340 million. The annual probability that a randomly chosen American adult will become a long-term unresolved missing-person case is on the order of 0.001%, or one in a hundred thousand per year.

The age and demographic profile of long-term unresolved missing-person cases skews heavily toward young adults — runaway-prone youth, victims of trafficking, transient populations, and individuals with serious mental illness. Adults over 50 with stable employment, stable marriages, no history of substance abuse, and no prior missing-person history account for a small minority of long-term unresolved cases.

Five long-term unresolved disappearances in three years out of twelve subjects, all in the over-50 stable-professional demographic, is far above any reasonable base rate. Even setting aside the demographic adjustment and using the population-wide rate, the expected number of long-term disappearances in this group is approximately:

12 × 3 × (1/100,000) ≈ 0.00036 expected disappearances

Observed: 5. Observed-to-expected ratio: roughly 14,000-fold. The Poisson tail probability of five or more such events when 0.00036 are expected is, in practical terms, indistinguishable from zero — well below one in a billion.

What survives selection bias

The all-cause mortality calculation does not survive selection bias intact: the list was assembled because these people died or vanished, and the proper denominator is the much larger pool of researchers and contractors from which they were drawn. Against that pool, twelve events in three years is not, by itself, statistically remarkable.

The homicide and disappearance calculations do survive selection bias, for two reasons. First, the rate excess is so large — three orders of magnitude in the homicide case, four in the disappearance case — that no plausible expansion of the denominator absorbs it. Even if the relevant occupational pool were a million people, the expected homicide count over three years in communities like Brookline and Llano would still be a small fraction of one. Second, the manner of death and the disappearance signature are not properties that selection bias can manufacture. The aggregator press is not seeking out homicides preferentially; if anything, it has been padding the list with deaths of undetermined manner (Hicks, Maiwald) precisely because confirmed homicides are scarce.

The honest summary, then:

Natural death: the all-cause expected count in this group over three years is about 0.4. Observed deaths, seven. Selection bias absorbs most of this discrepancy. Inconclusive.
Accidental death: expected motor-vehicle fatalities in this group, well under one. Observed, one (LeBlanc). Suggestive but not statistically dispositive on its own.
Homicide: expected count given actual communities of residence, roughly 0.002. Observed, two. Observed-to-expected ratio approximately 870-fold. Tail probability ≈ 1 in 380,000. Cannot be explained by chance.
Long-term disappearance: expected count, roughly 0.0004. Observed, five. Observed-to-expected ratio approximately 14,000-fold. Cannot be explained by chance.

Two of these four lines of analysis return numbers that sit deep in the tail of any reasonable distribution. The murders happened in the wrong places. The disappearances happened to the wrong demographic. Neither finding proves a coordinated campaign — but together they dispose, decisively, of the "ordinary mortality, just a list" reading that several officials and analysts have implicitly fallen back on. Whatever explanation eventually fits these cases, "people die, this is what numbers look like" is not one of them.

Method and motive

The actuarial section establishes that the cluster contains a homicide signal and a disappearance signal that no plausible widening of the denominator absorbs. The next two questions are operational: what manner of death would a competent service most likely use, and who actually benefits if it is used.

The vehicle-accident problem

For working-age adults in the United States, motor-vehicle fatalities are the single largest category of accidental death — roughly 12 per 100,000 per year, against about 65 per 100,000 for all unintentional injury combined. The other large unintentional categories — falls, poisonings and overdoses, drownings — concentrate in demographics this roster does not represent. A retired flag officer does not die in a parking-lot overdose. If he dies of accident, statistically, he dies on a road.

That fact cuts two ways. It means that any single vehicle fatality on the list is less anomalous than a single drowning or fall would be — vehicle deaths are common enough that one in a small group can plausibly be a coincidence. It also means, for exactly the same reason, that vehicle "accidents" have been the operational tradecraft of choice for state services that need plausible deniability, since the Cold War and continuing today.

The open-source historical record is unambiguous on this. The Stasi's Richtlinie 1/79 manuals, recovered from the East German archives after 1989, documented a methodology category for staged single-vehicle accidents, brake or steering tampering, and aerosol-induced incapacitation behind the wheel. The KGB's First Chief Directorate had a parallel doctrine; declassified files and defector debriefs (Mitrokhin, Kalugin, Gordievsky) describe the technique in detail. Iranian intelligence has used vehicle methods inside Iran against dissidents and has demonstrated the capability abroad. The Israeli services have used everything from mailbombs to remote-operated machine guns, but have used vehicle methods when the political optics required them. The Chinese MSS doctrinally prefers recruitment, blackmail, and human-intelligence operations to kinetic methods, but the PLA's Second Department has shown willingness to use kinetic tools when it judged the political cost manageable.

What makes the vehicle method attractive operationally is precisely what makes it forensically difficult to investigate after the fact. A single-vehicle fire on a back road destroys most of the recoverable evidence. Toxicology becomes degraded or unobtainable. The vehicle's mechanical history becomes ambiguous. The driver's body can be unrecognizable to the point that identification depends on dental records or DNA. The question of whether the driver was conscious at the moment of impact may be unanswerable from the remains alone. By the time the medical examiner has finished the autopsy, the cause of death — "blunt force trauma and thermal injury" — describes only the proximate physics of the crash, not the question of how the driver came to be in the vehicle traveling at speed toward a guardrail with no other traffic involved.

The conventional wisdom about modern Teslas is that they partially defeat this method, because Sentry mode records continuously, the cabin camera captures occupant imagery, and Autopilot state is logged at high temporal resolution. The conventional wisdom is wrong, in two specific respects that bear directly on the LeBlanc case.

The fire is not survivable by the data. Lithium-ion battery thermal runaway is a fundamentally different fire physics than the gasoline fires that older single-vehicle accident investigations contended with. NTSB and NHTSA investigations going back to the 2013 Model S incidents have established that pack fires reach temperatures in the 1,000–1,500°F range, sustain for extended periods — hours, in many cases — and require unusual quantities of water to extinguish, often tens of thousands of gallons. Re-ignition after apparent suppression is common enough that fire departments now train to specific EV-fire protocols. The thermal-runaway propagation through adjacent cells means that even after the initial event is brought under control, residual cells can re-ignite hours or days later.

The onboard storage that holds Sentry-mode footage, cabin imagery, Autopilot logs, and the high-resolution event data is not, in the consumer configuration, hardened against that thermal environment. Telemetry that has uploaded to Tesla's servers before the event persists; telemetry that hadn't uploaded does not. The upload cadence is variable, depends on cellular connectivity, and is not real-time for most data streams. Cabin imagery in particular is typically buffered locally and uploaded selectively on event triggers. A vehicle that drives off a rural Alabama road, ruptures its pack, and burns through the night will preserve, on Tesla's servers, the location pings and basic telemetry that uploaded during the drive — and very little else. The cabin imagery, the audio, the seatbelt-tension data, the steering-input history in the seconds before the crash, the door-lock state at impact, the airbag deployment sequence — all of that lives on local storage that the fire reliably destroys.

The doors are not reliably escapable. This is the part of the engineering record that has produced the most wrongful-death litigation against Tesla and the most disturbing first-responder accounts. Tesla doors use electronic actuators with mechanical-release backups. The front-seat mechanical releases are accessible to a conscious occupant who knows where they are; the rear-seat releases on most configurations are hidden under floor mats or, in some models, absent entirely without disassembly. Following a high-energy crash, even the front releases can be displaced, jammed, or rendered inoperable by structural deformation. The result, documented in cases from Vancouver to Pleasanton to multiple incidents on U.S. highways, is occupants who survive the crash itself but cannot exit before the fire reaches them. There are first-responder videos in the public record showing firefighters at fully involved Tesla scenes who could not effect rescue and watched occupants burn through the windows.

For an occupant who is impaired — whether by exhaustion, intoxication, induced sedation, or because the impairment was the operational mechanism in the first place — the door-egress problem becomes deterministic rather than probabilistic. A 1980s sedan in the same scenario produced a fuel-fire that burned out within roughly an hour at 800–1,000°F, left mechanical door locks that an unconscious occupant might be extracted through by responders, and preserved a body intact enough for toxicology. A modern EV in the same scenario produces a fire that consumes the local data, the body, and the means of extraction, while denying responders any meaningful intervention window. From the standpoint of evidence destruction, the lithium-ion architecture is not a worse murder weapon than the older fuel-fire-and-mechanical-lock combination. It is, by every relevant metric, a more thorough one.

What this means for the LeBlanc case is that the only meaningfully hardened evidence is the pre-event upload trail — the location pings, basic telemetry, and cellular tower records from the morning of July 22. That trail is what told us the vehicle sat stationary at Huntsville International Airport for four hours, that the route west toward Florence was not in his calendar or his communications pattern, and that his missing-person report was filed by his family before the crash. Everything after the moment the cellular link died — the route, the speed, who if anyone else was in or near the vehicle, what the driver's physiological state was at the moment of departure from Huntsville, whether the doors were operable at impact, whether the airbag deployment sequence was consistent with a conscious driver braking — is on storage that very likely does not exist anymore.

The four-hour airport window is therefore not just the most diagnostic piece of evidence in the case. It is, in practical terms, the only diagnostic piece. Airport surveillance retention policies, cellular records from the relevant carriers, license-plate-reader hits on adjacent roads, and any video coverage of the airport approach roads — all of it is normally subpoenable, and most of it is normally retained for 30 to 90 days at minimum. By the time the federal review reached this case in April 2026, those windows had long since closed at the consumer-retention level. Whether the bureau preserved any of it through preservation letters issued during the original Alabama Law Enforcement Agency investigation is a question that should be on the Oversight Committee's list.

The previous version of this analysis suggested a competent service in 2025 would be unlikely to choose a Tesla as a murder weapon because the vehicle was "too instrumented." That analysis was wrong, and the engineering record is the reason. A modern EV in a rural-road, single-vehicle, full-thermal-runaway scenario is a more thorough evidence-destruction event than the doctrinal Cold War vehicle-accident method ever was. The data hierarchy that the marketing literature emphasizes is meaningful only for the survivable cases — fender-benders, parking-lot incidents, low-energy collisions in which the pack does not rupture. For the case the LeBlanc scenario actually represents, the Tesla is not a poor choice of weapon. It may be a deliberate one.

Cui bono: program by program

Roman law gave the inquiry into beneficiary the status of a first principle. Cui bono is the question that separates a list of unfortunate events from a pattern with a logic, and it is the question the press coverage of this story has almost entirely failed to ask. The honest answer, taken case by case, is more revealing than the press treatment would suggest.

The relevant beneficiary structure is not symmetric across the candidate adversaries. It varies by program access:

Subject	Program access	Primary beneficiaries of expertise loss
Reza, McCasland	Air Force–funded reusable-vehicle and hypersonic materials (early 2000s); JPL Materials Processing; AFRL programs continuing into 2020s	China (DF-17, hypersonic glide vehicles), Russia (Avangard, Zircon). Both have publicly known materials gaps that U.S. expertise would help close. Iranian gain marginal.
LeBlanc	NASA Space Nuclear Propulsion / DRACO (NTP for crewed Mars and outer-planet missions)	China (active NTP study), Russia (Roscosmos megawatt nuclear-propulsion concept). Iranian and North Korean interest essentially nil.
Garcia	Kansas City National Security Campus (~80% of non-nuclear components of U.S. nuclear weapons: fuzes, neutron generators, arming-and-firing systems)	China (reproduce a U.S. weapons design); China and Russia (defeat one). Iran and North Korea operate at lower sophistication levels.
Chavez	Los Alamos DARHT facility — hydrodynamic imaging of nuclear primary implosions	Any state actor with a primary-design verification problem; principally China and Russia. Knowledge value persists post-retirement because primary geometry doesn't change quickly.
Casias	Los Alamos administrative; access dependent on document flow not publicly known	Indeterminate without further information. Administrative-access compromise is a category MSS actively cultivates.
Loureiro	MIT magnetic-confinement fusion (long-horizon energy technology)	None at the operational level. Fusion timelines are measured in decades; killing a fusion theorist provides no near-term benefit to any state.
Grillmair	Astrophysics: dark matter, exoplanet spectroscopy, infrared survey calibration	None. Astrophysics is further still from operational application than fusion.
Eskridge	Self-described "anti-gravity" research; no peer-reviewed output; no demonstrated technology	None at the state level. The premise that any service would target her requires accepting unverified claims about technology she possessed.
Thomas	Novartis cancer drug discovery; Novartis holds DoD contracts but Thomas's specific work was oncology pharmacology	None evident. Cancer drug discovery is not a counterintelligence target for any state.
Hicks, Maiwald	JPL space science instrumentation (DART, infrared survey)	Limited. Asteroid-deflection and space-instrumentation expertise has dual-use potential but is not a high-priority foreign collection target.

Read this column down and a pattern emerges that is the opposite of what a manufactured aggregator-driven list would produce. The cases that look operationally suspicious on circumstantial grounds — Reza, McCasland, LeBlanc, Garcia, Chavez — are also the cases with the strongest cui bono arguments at the state level. The cases that look locally explicable on the evidence — Loureiro and Grillmair as lone-gunman incidents, Eskridge as a probable suicide, Thomas as a probable bereavement-driven death, Hicks and Maiwald as undetermined natural deaths — are also the cases without state-level beneficiaries.

That alignment is diagnostic. If the entire pattern were noise — twelve unrelated tragedies inflated into a story by tabloid aggregators — the cui bono column would look random. Some academic cases would have plausible state beneficiaries; some operational-looking cases would not. Instead, the column sorts cleanly along the same axis as the circumstantial-evidence column does. That is what a real signal embedded in noise looks like, and it is not a property the aggregator process can manufacture.

The candidate adversary set, narrowed by this analysis, is principally China and Russia, with Iran a distant third on the propulsion-and-weapons cases and essentially absent on the academic cases. China's interest is broadest, spanning hypersonic materials, NTP, and weapons components. Russia's interest concentrates on the propulsion cases, where its programs are most advanced and its materials gaps best known. Iranian capability and motive are real but more selective; Iran has demonstrated the operational reach to act inside the United States (the 2022 Bolton plot, the 2024 indictments of IRGC-linked operatives) but the program-access fit is narrower.

The domestic beneficiary set

An honest cui bono analysis does not stop at the foreign list. It is incomplete to enumerate adversary state benefits without acknowledging that domestic beneficiaries also exist, even when they are less dramatic and even when the evidence does not implicate them.

The U.S. defense aerospace consolidation trend over the past five years has produced a set of domestic actors who benefit, in narrow and specific ways, from the removal of individuals carrying cross-program institutional knowledge. Aerojet Rocketdyne — Reza's former employer and the prime contractor on the Air Force programs McCasland oversaw — was acquired by L3Harris in 2023, folding what had been an independent propulsion house into a larger systems integrator. The reusable-launch market has consolidated into a SpaceX/Blue Origin duopoly, with both companies receiving multibillion-dollar national-security launch contracts in 2025 and Blue Origin added to the $151 billion Missile Defense Agency SHIELD contract in late 2025. The Golden Dome architecture concentrates space-based missile defense in a handful of vendors. Each of these consolidations creates proprietary-knowledge equities that individuals with broad cross-program experience — particularly retired government scientists who could speak with authority about decisions made at the program-office level — could complicate.

None of this constitutes evidence that any domestic actor was responsible for any specific death or disappearance on the list. The mechanism would require both motive and operational capability that there is no public reason to attribute to any U.S. defense contractor. But the analytical principle that cui bono applies on both sides of the foreign-domestic line is methodologically important, and it is worth noting that the Comer/Burlison letters were directed to the FBI, DOE, DoD, and NASA — not to the Pentagon's industrial-base policy office, not to the inspectors general of the relevant prime contractors, and not to the SEC, which would have jurisdiction over any market-relevant materiality questions arising from individual scientist removals. That asymmetry of inquiry tells you something about the framing of the investigation, even if the framing turns out to be correct.

The most likely explanation, weighing all of the above, remains foreign — most likely Chinese, with Russia second. The domestic beneficiary analysis is a completeness check, not a counter-hypothesis. But analytical completeness is exactly what has been missing from the press treatment of this story, and a serious investigative posture cannot pretend the domestic beneficiary set is empty just because the foreign one is more cinematic.

What the base rates say

Los Alamos employs over 10,000 people. NASA JPL has roughly 6,000. NASA Marshall has another 6,000 civil and contractor staff. Caltech, MIT, Aerojet/L3Harris, and the KCNSC together push the population of the relevant pool well into the hundreds of thousands when contractors and retirees are included. Across that pool, in three years, twelve to thirteen deaths or disappearances — most of them either solved or having clear non-foreign-service explanations — does not, by itself, exceed background. Suicide alone among technical professionals working in classified environments is a known and persistent problem. The American press did exactly this in 2021, when four Capitol Police officers died by suicide in the months after January 6 and outlets attempted to roll those deaths into a "death toll" narrative driven by the news cycle rather than by any causal mechanism.³³

The base-rate argument fails, however, on the specific subset of cases that share signatures. Two people who collaborated on a single Air Force materials program, both vanished within eight months. Two Los Alamos employees vanished within seven weeks of each other. Two Albuquerque-area men with security clearances walked out of their homes on foot, with weapons and without phones, six months apart. Those are not Poisson processes operating across an enormous population; those are correlated events inside a small one. The work of the FBI review is not to "explain the cluster" — most of it explains itself — but to determine whether that smaller, correlated subset has a single explanation behind it.

What is and isn't true

Three things are true at once, and the public conversation has trouble holding all three in mind:

First, foreign services do conduct lethal operations on U.S. soil and have done so within living memory. They do not always announce themselves, and the U.S. government does not always announce them. The reflexive position that "this kind of thing doesn't happen here" is not supported by the historical record. Two CIA officers were officially reported, this month, as having died in a "car crash" in Mexico after a counter-narcotics operation; everyone who works in the field understands the conventions that wording observes.³⁴

Second, the U.S. tabloid and aggregator media has a strong incentive to inflate any list of unusual deaths and a weak incentive to correct it. The list under review has grown by accretion as outlets have added names — some of them unrelated, some of them years old, some of them with cause of death never publicly determined — to keep the count climbing and the headline fresh. The earliest version of the list, traced by Unherd, ran in the Daily Mail on March 22 with five names. A Philadelphia sports website added a sixth two days later. By the time the story reached the White House briefing room, the count was thirteen.³⁵ Some of the additions are real cases that warrant investigation. Several are not.

Third, the Reza–McCasland connection alone — independent of every other case on the list — is sufficient justification for a serious counterintelligence inquiry. Two people who collaborated on Air Force–funded reusable-vehicle and hypersonic materials research in the early 2000s have, twenty years later, vanished within eight months. The committee has asked the FBI, DOE, DoD, and NASA to brief staff on this connection by April 27. If the agencies' answer is that the connection is unexplained, that fact alone is news.

What an honest investigation looks like

The cases that should receive priority federal attention, in descending order of indicia of foul play:

Reza and McCasland, treated as one investigation. The shared Air Force materials program is the highest-value lead in the whole pile, and neither agency response so far has addressed it on the record.
LeBlanc. The four-hour airport stop is recoverable. Tesla telemetry, airport surveillance, and the cellular-tower record from that morning will, properly subpoenaed, either confirm a tragic personal incident or surface a meeting that should not have happened.
Garcia and Casias, treated as a possible pair. The Albuquerque/northern New Mexico geography and the matching signatures (on-foot exits, no personal effects, factory-reset phone in Casias's case) deserve a single investigator looking at both.
Chavez. The DARHT connection, the age, and the 2017 retirement complicate the picture; a thorough proximity check on his retirement contacts is in order.

The cases that should be treated, from the federal level, as municipal matters and removed from the national-security framing:

Grillmair — local prosecution of a charged suspect, with the dismissed-weapons-charge audit being the only systemic question.
Loureiro — closed by the perpetrator's death and recovered confession videos.
Eskridge — closed by medical examiner; absent peer-reviewed evidence of any technology of foreign-intelligence interest, the case should not be on the list.
Thomas — pending the Middlesex medical examiner; the bereavement timeline argues strongly against foul play.
Maiwald and Hicks — should be removed from the list pending public release of cause of death; their inclusion is what makes serious analysts skeptical of the list as a whole.

The signal

Strip out the noise — the unrelated Caltech murder, the textbook campus mass shooter, the bereaved Novartis researcher, the troubled propulsion entrepreneur — and the residue is roughly four to five cases that share elements no innocent interpretation comfortably accommodates. Two of them are linked by a specific Air Force program. Two more share a metropolitan area, a method of departure, and a security clearance. One involves the deliberate factory-reset of two phones. None of those facts, individually, proves foreign-intelligence involvement. Together, they do constitute a credible reason for the FBI to do exactly what it has belatedly agreed to do.

The honest answer to the title question is the answer most working investigators would give a journalist on background: not all of it is, but some of it might be, and we don't know yet which. The cases that read as ordinary American tragedy are ordinary American tragedy. The cases that read as something else read as something else even after the noise is removed. The committee's April 27 deadline for agency briefings will be the first inflection point. Whether the bureau will make those findings public, in a year when several of its institutional incentives run the other way, is the second.

Until then, the appropriate posture is the one a good signals officer adopts in the presence of a faint but persistent return: the noise floor is high, the sample is small, but the bearing is consistent enough that we keep watching the screen.

— Pseudo Publius

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