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'Missing scientist' cases have stoked wild speculation. For loved ones, the theories are hurtful

'Missing scientist' cases have stoked wild speculation. For loved ones, the theories are hurtful

Conspiracies are running rampant online after the deaths or disappearances of at least 10 people tied to sensitive US research.

April 23, 2026 at 10:52 PM Original source
11 agencies covered this story

Coverage by Political Leaning

See how different sides of the spectrum reported this story

Left
1 articles
Lean Left
3 articles
Center
7 articles
Lean Right
0 articles
No coverage
Right
0 articles
No coverage

Notable Quotes

""I think it's absolute nonsense.""

— Louise Grillmair , Other

""We believe [he] came for revenge, thinking Carl was the one that called 911.""

— Louise Grillmair , Other

"I think it's absolute nonsense."

— Louise Grillmair , Other

"We believe [he] came for revenge, thinking Carl was the one that called 911."

— Louise Grillmair , Other

"Ordinary mortality over 22 months predicts ~4,000 deaths, ~70 homicides, and ~180 suicides."

— Mick West , Other

"pretty serious stuff"

— Donald Trump , Politician

"It's pretty serious stuff … hopefully a coincidence, or whatever you want to call it."

— Donald Trump , Politician

"Once you see the facts, it would suggest that something sinister could be happening and it would be a national security concern."

— James Comer , Politician

"If true, of course, that’s definitely something I think this government and administration would deem worth looking into."

— Karoline Leavitt , Politician

"I don’t know. Hopefully, coincidence, whatever you want to call it."

— Donald Trump , Politician

"We’re going to look for connections on whether there are connections to classified access, access to classified information, and or foreign actors."

— Kash Patel , Politician

"I hope it’s random, but we’re going to know in the next week and a half."

— Donald Trump , Politician

"The numbers seem very high in these certain areas of research. I think we’d better be paying attention, and I don’t think we should trust our government."

— Tim Burchett , Politician

"No stone will be unturned in light of the recent and legitimate questions."

— Karoline Leavitt , Politician

""What is going on seems to be an enemy action.""

— Walter Kirn , Academic

""no stone will be unturned.""

— Karoline Leavitt , Politician

"I don’t understand the connection between my dad’s death and the other missing scientists…I can’t help but laugh."

— Julia , Other

"there’s a high possibility that something sinister is taking place."

— James Comer , Politician

Key People

C
Carl GrillmairAcademic

Carl Grillmair was a renowned astronomer at the California Institute of Technology's IPAC science and data centre for astronomy and planetary science.

C
Chris WrightExecutive

Chris Wright is the U.S. Energy Secretary.

D
Donald TrumpPoliticianRight

Former president of the United States known for his aggressive economic policies.

E
Eric BurlisonPoliticianRight

Eric Burlison is a Republican Congressman involved in the questioning.

F
Freddy SnyderOther

Freddy Snyder is the alleged killer of Carl Grillmair, charged with murder and burglary.

J
James ComerPoliticianRight

Chairman of the House Oversight Committee.

J
Jared IsaacmanExecutiveLean Right

Jared Isaacman is the new head of NASA and an amateur jet pilot known for being the first non-professional astronaut to conduct a spacewalk.

J
Jason ThomasOther

A person who walked out of his home in December 2025 and was found dead in a lake in March 2026.

J
JuliaOther

Julia is the daughter of Michael Hicks who expressed skepticism over the conspiracy theories surrounding his death.

K
Karoline LeavittPoliticianRight

Karoline Leavitt is the White House press secretary.

K
Kash PatelPolitician

The former Chief of Staff for the Acting U.S. Secretary of Defense.

L
Louise GrillmairOther

Louise Grillmair is the widow of Carl Grillmair.

M
Melissa CasiasOther

Reported missing after dropping her husband off at work.

M
Michael HicksOther

Michael Hicks was a NASA scientist who passed away under mysterious circumstances.

M
Mick WestOther

Mick West is a science writer and pseudoscience debunker who commented on the theories around the missing scientists.

M
Monica Jacinto RezaAcademic

Scientist known for her work on nickel-based superalloys.

M
Monica RezaAcademic

An advanced-materials researcher at NASA’s Jet Propulsion Laboratory who disappeared.

N
Neil McCaslandOther

Neil McCasland is a retired Air Force Major General who disappeared from his home in New Mexico.

N
Nuno LoureiroAcademic

Nuno Loureiro was a physicist at MIT who was shot to death in 2025.

P
Pete HegsethExecutiveRight

Pete Hegseth is the United States Secretary of Defense.

S
Steven GarciaOther

Property custodian with top security clearance reported missing.

S
Susan McCasland WilkersonOther

Susan McCasland Wilkerson is the wife of William Neil McCasland.

T
Tim BurchettPoliticianRight

Tim Burchett is a Republican member of the U.S. House of Representatives from Tennessee.

W
Walter KirnAcademicCenter

A novelist and podcast host who commented on the missing scientists.

W
William McCaslandOther

Air Force Major General reported missing.

W
William Neil McCaslandExecutive

William Neil McCasland is a retired Air Force general who is among the missing individuals.

All Coverage

'Missing scientist' cases have stoked wild speculation. For loved ones, the theories are hurtful
BBC Newsvia rss 2 quotes 1 person

Conspiracies are running rampant online after the deaths or disappearances of at least 10 people tied to sensitive US research.

100%
'Missing scientist' cases have stoked wild speculation. For loved ones, the theories are hurtful
AOLvia ai 4 quotes 3 persons

The article discusses how the deaths and disappearances of at least 10 individuals connected to sensitive U.S. research have led to conspiracy theories online, causing distress for their families.

80%
FBI Investigating Deaths & Disappearances of Scientists for Possible Connection
TMZvia ai 1 quote 1 person

The article reports on the FBI's investigation into the deaths and disappearances of scientists and government workers, exploring potential connections among these cases.

80%
FBI will look for connections to deaths and disappearances of scientists
NBC Newsvia ai 2 quotes 2 persons

The article reports on the FBI's decision to investigate potential connections between the deaths and disappearances of at least 10 scientists and government workers over recent years.

80%
Tabloid reports linking 10 missing and dead scientists spur FBI probe
Ars Technicavia ai 1 quote 1 person

The article discusses how tabloid reports linking the deaths and disappearances of 10 scientists have led to an FBI investigation, with skepticism about the connections among the cases.

80%
The Washington Postvia ai

Speculation about links among a handful U.S. scientists who have died or disappeared in recent years was largely confined to niche online communities less than two months ago. As of Friday, the number had grown to at least 12 and was at the epicenter of U.S. government, with both the FBI and Congress investigating possible connections.

80%
Axiosvia ai

Between 2023 and 2025, a troubling pattern of disappearances and deaths involving at least 10 scientists and staffers connected to U.S. nuclear and space programs has drawn the attention of Congress, prompting an investigation by the House Oversight Committee. Although the committee's official letter does not specify reasons for the probe, it cites 'unconfirmed public reporting,' including the recent disappearance of retired Air Force Maj. Gen. William Neil McCasland, as contributing to national security concerns.

80%
The Mystery of the Dead and Missing Research Scientists
Psychology Todayvia ai 2 quotes 2 persons

The article explores the psychology behind the panic surrounding missing research scientists, discussing how the human brain is hard-wired to seek out patterns—even when there are none—and how this tendency can lead to the spread of conspiracy theories.

80%
Families of Missing, Dead Scientists Call Bull on Possible Connections
TMZvia ai

The FBI says it plans to dig into possible connections between the disappearances and/or deaths of at least 10 scientists and government workers over the last few years ... but their family members say it's all a bunch of baloney.

80%
The 'Missing Scientist' Story Is Unbelievably Dumb
The Atlanticvia ai 2 quotes 2 persons

The article critically examines the conspiracy theory surrounding the alleged wave of missing or dead U.S. scientists, triggered by the disappearance of retired Air Force major general Neil McCasland in February. Despite claims of a sinister pattern suggesting foreign interference or classified research ties, the article deconstructs the narrative as baseless and incoherent.

80%
‘Something sinister could be happening’: FBI looks into dead or missing nuclear and space defense scientists tied to NASA, Blue Origin, and SpaceX
Fortunevia ai 4 quotes 4 persons

The article covers the FBI's investigation into the deaths and disappearances of scientists related to nuclear and space defense programs, including ties to NASA, Blue Origin, and SpaceX.

80%