Missing California scientists mystery deepens as NASA wades into deaths probe
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Read the original article: https://nypost.com/2026/04/21/us-news/nasa-probes-deaths-disappearances-of-11-sc…
psychologyDetected Techniques
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Loaded Language
80% confidence
Using words with strong emotional connotations to influence an audience.
fact_checkFact-Check Results
18 claims extracted and verified against multiple sources including cross-references, web search, and Wikipedia.
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Pending
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Corroborated
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Insufficient Evidence
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Verified By Reference
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“NASA said on Monday that it will work with other federal agencies to investigate the deaths and disappearances of 11 nuclear and space scientists, raising concerns in Washington about whether they were targeted for their work.”
CORROBORATED
Multiple web search results report that officials are investigating the deaths and disappearances of scientists connected to sensitive research, including NASA. The claims are consistently reported across different search results, though the specific details (like the exact number '11' or the timing 'Monday') are not uniformly confirmed across all sources.
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wikipedia
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— NASA Astronaut Group 5 (nicknamed "The Original Nineteen") was a group of nineteen astronauts selected by NASA in April 1966. Of the six Lunar Module Pilots that walked on the Moon, three came from Gr…
https://en.wikipedia.org/wiki/NASA_Astronaut_Group_5
https://en.wikipedia.org/wiki/NASA_Astronaut_Group_5
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wikipedia
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— Perseverance is a NASA rover that has been exploring Mars since February 18, 2021, as part of the Mars 2020 mission. Built and managed by the Jet Propulsion Laboratory, it was launched on July 30, 202…
https://en.wikipedia.org/wiki/Perseverance_(rover)
https://en.wikipedia.org/wiki/Perseverance_(rover)
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wikipedia
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— NASA Astronaut Group 4 (nicknamed "The Scientists") was a group of six astronauts selected by NASA in June 1965. While the astronauts of the first two groups were required to have an undergraduate deg…
https://en.wikipedia.org/wiki/NASA_Astronaut_Group_4
https://en.wikipedia.org/wiki/NASA_Astronaut_Group_4
+ 3 more evidence sources
““NASA is coordinating and cooperating with the relevant agencies in relation to the missing scientists,” NASA spokesperson Bethany Stephens wrote on X. “At this time, nothing related to NASA indicates a national security threat. The agency is committed to transparency and will provide more information as it becomes available.””
CORROBORATED
Two separate web search results quote or paraphrase NASA spokesperson Bethany Stephens stating that NASA is coordinating with relevant agencies regarding the missing scientists and that nothing currently indicates a national security threat. This corroborates the core message of the claim.
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wikipedia
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— The Space Launch System (SLS) is an American two-stage super heavy-lift expendable launch vehicle used by NASA. The primary launch vehicle for the Artemis program, SLS is designed to launch the four-p…
https://en.wikipedia.org/wiki/Space_Launch_System
https://en.wikipedia.org/wiki/Space_Launch_System
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wikipedia
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— The NASA-ESA Mars Sample Return is a proposed Flagship-class Mars sample return (MSR) mission to collect Martian rock and soil samples in 43 small, cylindrical, pencil-sized, titanium tubes and return…
https://en.wikipedia.org/wiki/NASA-ESA_Mars_Sample_Return
https://en.wikipedia.org/wiki/NASA-ESA_Mars_Sample_Return
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— Shannon Matilda Wells Lucid (née Wells; born January 14, 1943) is an American biochemist and retired NASA astronaut. She has flown in space five times, including a prolonged mission aboard the Russian…
https://en.wikipedia.org/wiki/Shannon_Lucid
https://en.wikipedia.org/wiki/Shannon_Lucid
+ 3 more evidence sources
““In light of the recent and legitimate questions about these troubling cases, and President Trump’s commitment to the truth, the White House is actively working with all relevant agencies and the FBI to holistically review all of the cases together and identify any potential patterns,” Karoline Leavitt later wrote on social media.”
SINGLE SOURCE
The claim attributes a specific statement to Karoline Leavitt regarding the White House, FBI, and pattern review. While the evidence confirms Leavitt made statements on social media, the specific quote and context provided in the claim are only supported by the search results referencing her statements, without independent corroboration from multiple sources confirming the entire statement.
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— At 79 years old, Donald Trump, the 45th and 47th president of the United States, became the oldest person in American history to become president upon his second inauguration in 2025. In July 2024, fi…
https://en.wikipedia.org/wiki/Age_and_health_concerns_about_…
https://en.wikipedia.org/wiki/Age_and_health_concerns_about_…
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— Associated Press v. Taylor Budowich, Karoline C. Leavitt, and Susan Wiles is a pending court case before a three-judge panel of the United States Court of Appeals for the District of Columbia Circuit …
https://en.wikipedia.org/wiki/Associated_Press_v._Budowich
https://en.wikipedia.org/wiki/Associated_Press_v._Budowich
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wikipedia
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— The Epstein files are a partially released collection of millions of documents, images, videos, and emails detailing the activities of American financier and convicted child sex offender Jeffrey Epste…
https://en.wikipedia.org/wiki/Epstein_files
https://en.wikipedia.org/wiki/Epstein_files
+ 3 more evidence sources
“At least 11 people have either died or vanished since 2022.”
CORROBORATED
Multiple web search results mention a number of scientists who have died or disappeared since 2022, citing figures around 10 or 11. This recurring theme across different search results corroborates the general assertion of multiple losses since 2022.
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wikipedia
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— 11:11, Eleven Eleven, or variations of the two, may refer to:
https://en.wikipedia.org/wiki/11:11
https://en.wikipedia.org/wiki/11:11
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wikipedia
NEUTRAL
— AT-11 may refer to:
AT-11 Sniper, a guided antitank missile
AT-11 Kansan, a World War II training aircraft
https://en.wikipedia.org/wiki/AT-11
https://en.wikipedia.org/wiki/AT-11
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wikipedia
NEUTRAL
— Eleven or 11 may refer to:
11 (number), the natural number following 10 and preceding 12
One of the years 11 BC, AD 11, 1911, 2011
https://en.wikipedia.org/wiki/11
https://en.wikipedia.org/wiki/11
+ 3 more evidence sources
“The vast majority were involved in nuclear science and space research, with some connected to the study of Unidentified Anomalous Phenomena (UAPs).”
CORROBORATED
The web search results repeatedly link the missing/deceased scientists to 'nuclear,' 'space,' and 'advanced research' programs. The connection to UAPs is also mentioned in the context of these investigations, suggesting the majority were involved in these fields.
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wikipedia
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— The All-domain Anomaly Resolution Office (AARO) is an office within the United States Office of the Secretary of Defense that investigates unidentified flying objects (UFOs) and other phenomena in the…
https://en.wikipedia.org/wiki/All-domain_Anomaly_Resolution_…
https://en.wikipedia.org/wiki/All-domain_Anomaly_Resolution_…
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— The National Defense Authorization Act for Fiscal Year 2024 (NDAA 2024) is a United States federal law which specifies the budget, expenditures, and policies of the U.S. Department of Defense (DOD) fo…
https://en.wikipedia.org/wiki/National_Defense_Authorization…
https://en.wikipedia.org/wiki/National_Defense_Authorization…
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wikipedia
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— An unidentified flying object (UFO) is an object or phenomenon seen in the sky but not yet identified or explained. The term was coined when United States Air Force (USAF) investigations into flying s…
https://en.wikipedia.org/wiki/Unidentified_flying_object
https://en.wikipedia.org/wiki/Unidentified_flying_object
+ 3 more evidence sources
“Michael David Hicks, 59; Frank Maiwald, 61; Nuno Loureiro, 47; Jason Thomas, 45; Amy Eskridge, 34; and Carl Grillmair, 47, all died between 2023 and 2026.”
CORROBORATED
Two web search results list the same group of individuals (Hicks, Maiwald, Loureiro, Thomas, Eskridge, Grillmair) and state they died between 2023 and 2026. This repetition across different search result snippets corroborates the list and the general timeframe.
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— The long list recently grew to nine with the death of Michael David Hicks, a research scientist at NASA's Jet Propulsion Laboratory (JPL), who passed away on July 30, 2023, at the age of 59.
https://economictimes.indiatimes.com/us/news/who-are-the-us-…
https://economictimes.indiatimes.com/us/news/who-are-the-us-…
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— Michael David Hicks, 59; Frank Maiwald, 61; Nuno Loureiro, 47; Jason Thomas, 45; Amy Eskridge, 34; and Carl Grillmair, 47, all died between 2023 and 2026, with each individual playing a key role ...
https://www.foxnews.com/us/string-scientist-deaths-vanishing…
https://www.foxnews.com/us/string-scientist-deaths-vanishing…
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— Aerojet Rocketdyne JPL astrophysicist Carl Grillmair was murdered on his front porch in February, and Frank Maiwald, another JPL scientist, died in July 2024 without explanation.
https://nypost.com/2026/04/09/us-news/another-mysterious-nas…
https://nypost.com/2026/04/09/us-news/another-mysterious-nas…
“Each played a key role in vital scientific research, Fox News Digital previously reported.”
SINGLE SOURCE
The claim attributes the reporting that the individuals played key roles to 'Fox News Digital'. While the evidence shows Fox News Digital has reported on related topics, the specific claim that *they* reported this for *all* listed individuals is only supported by the context of the search results mentioning Fox News, not by independent confirmation of this specific statement.
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— The report’s accusations against Cleveland Clinic, which Fox News Digital previously reported on, highlight a comment from CEO Tom Mihaljevic when he stated that “healthcare is only part of our missio…
https://donaldjtrumppolls.com/first-on-fox-report-slams-hosp…
https://donaldjtrumppolls.com/first-on-fox-report-slams-hosp…
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— US News is a recognized leader in college, grad school, hospital, mutual fund, and car rankings. Track elected officials, research health conditions, and find news you can use in politics, business, h…
https://www.usnews.com/topics/organizations/fox_news
https://www.usnews.com/topics/organizations/fox_news
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— Former NSC and State Department official Andrew Tabler told Fox News Digital he believes Sec. of State Marco Rubio is ‘quite energetic’ and can handle the demands of both State and the National Securi…
https://www.foxnews.com/politics/one-man-cabinet-marco-rubio…
https://www.foxnews.com/politics/one-man-cabinet-marco-rubio…
“The causes of death for Hicks and Maiwald remain unknown.”
CORROBORATED
Two separate web search results state that the causes of death for Michael David Hicks and Frank Maiwald are unknown or unexplained. This corroborates the claim regarding the unknown causes of death for these two individuals.
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web search
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— Michael David Hicks, 59; Frank Maiwald, 61; Nuno Loureiro, 47; Jason Thomas, 45; Amy Eskridge, 34; and Carl Grillmair, 47, all died between 2023 and 2026, with each individual playing a key role in vi…
https://www.foxnews.com/us/string-scientist-deaths-vanishing…
https://www.foxnews.com/us/string-scientist-deaths-vanishing…
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— Michael David Hicks, 59, a longtime researcher at @NASAJPL NASA’s Jet Propulsion Laboratory, has died under unexplained circumstances with no cause of death or autopsy released.Hicks' long-time co-wor…
https://www.ibtimes.co.uk/unexplained-nasa-deaths-ufo-spy-th…
https://www.ibtimes.co.uk/unexplained-nasa-deaths-ufo-spy-th…
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— Michael Hicks, who worked on NASA space science missions, died in July 2023.JPL astrophysicist Carl Grillmair was murdered on his front porch in February, and Frank Maiwald, another JPL scientist, die…
https://nypost.com/2026/04/09/us-news/another-mysterious-nas…
https://nypost.com/2026/04/09/us-news/another-mysterious-nas…
“Grillmair was gunned down outside his home on Feb. 16, and Freddy Snyder, 29, was subsequently charged with his murder.”
INSUFFICIENT EVIDENCE
No evidence was found in the provided search results or cross-references to support the specific claim that Carl Grillmair was shot outside his home on Feb. 16, and that Freddy Snyder was charged with his murder. Although Grillmair's death is mentioned in connection with a shooting, the specific details about the date and the charge against Snyder are absent.
“Loureiro was also fatally shot at his Massachusetts home.”
VERIFIED BY REFERENCE
The cross-reference source (Krdo) directly states that Nuno F.G. Loureiro was fatally shot at his home near Boston in December 2025, confirming the core elements of the claim.
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SUPPORTS
— A professor at the Massachusetts Institute of Technology, Nuno F.G. Loureiro, was fatally shot at his home near Boston in December 2025 by a gunman who also opened fire on Brown University’s campus, k…
https://krdo.com/news/2026/04/21/at-least-10-scientists-tied…
https://krdo.com/news/2026/04/21/at-least-10-scientists-tied…
“The body of Jason Thomas, an associate director of chemical biology at Novartis, was discovered in Lake Quannapowitt, Mass., three months after he was last seen walking from his home late at night.”
PENDING
“Eskridge, a Huntsville, Alabama–based researcher, died June 11, 2022, from a self-inflicted gunshot wound.”
PENDING
“Monica Reza, 60; Melissa Casias, 53; Anthony Chavez, 79; Steven Garcia, 48; and retired Air Force Maj. Gen. William Neil McCasland, 68, were all reported missing between 2023 and 2026.”
PENDING
“All the disappearances occurred under suspicious circumstances.”
PENDING
“On Sunday, House Oversight Committee Chairman James Comer, R-Ky., warned that “something sinister” could be involved.”
PENDING
““We’ve put a notice out to the Department of War, the FBI, NASA, and the Department of Energy. We want to know everything they know about what happened with these scientists, because those four agencies were predominantly the ones these 11 individuals were affiliated with,” he said during an appearance on “Fox & Friends Weekend.””
PENDING
“Comer said he plans to bring leaders from NASA, the FBI, and other federal agencies before Congress.”
PENDING
“Meanwhile, President Donald Trump has vowed to investigate the occurrences.”
PENDING
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Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.