Concern Grows Over 10 Missing or Deceased NASA, Nuclear, and Defense Researchers
Trump: “Well, I hope it’s random, but we’re going to know in the next week and a half. I just left a meeting on that subject. So, pretty serious stuff.”
Fox News Senior White House Correspondent Peter Doocy pressed White House Press Secretary Karoline Leavitt on the 10 U.S. scientists and contractors who are either missing or dead over the last two years.
These scientists and defense‑linked experts have ties to NASA, Los Alamos in New Mexico, fusion research, or nuclear weapons work. However, as of now, there is no confirmed official finding that these cases are connected.
But there are investigations on individual cases, as well as growing political and media pressure to look at them together, as Trump faced a question about the matter today:
DOOCY TIME: “There are these ten missing scientists with access to classified stuff, nuclear material, aerospace, they’ve all gone missing or turned up dead in the last couple months. Based on what you’ve been briefed, what do you think is happening here? And do you think that this is connected or totally random?”
President Trump: “Well, I hope it’s random, but we’re going to know in the next week and a half. I just left a meeting on that subject. So, pretty serious stuff. But we’re going to be hopefully, I don’t know, coincidence if you want whatever you want to call it, but some of them were very important people and we’re going to look at it over the next short period.”
DOOCY TIME: “There are these ten missing scientists with access to classified stuff, nuclear material, aerospace, they’ve all gone missing or turned up dead in the last couple months. Based on what you’ve been briefed, what do you think is happening here? And do you think that… pic.twitter.com/bVSUzC00Rv
— Curtis Houck (@CurtisHouck) April 16, 2026
Karoline Leavitt was asked about it yesterday:
PETER DOOCY: “There are now 10 American scientists who have either gone missing or died since mid 2024. They all reportedly had access to classified nuclear or aerospace material. Is anybody investigating this to see if these things are connected?”
KAROLINE LEAVITT: “I’ve seen the report, Peter. I haven’t spoken to our relevant agencies about it. I will certainly do that, and we’ll get you an answer. If true, of course, that’s definitely something I think this government administration would deem work worth looking into. So let me do that for you.”
PETER DOOCY: “There are now 10 American scientists who have either gone missing or died since mid 2024. They all reportedly had access to classified nuclear or aerospace material. Is anybody investigating this to see if these things are connected?”
KAROLINE LEAVITT: “I’ve seen… pic.twitter.com/CCqhmwQx7D
— Fox News (@FoxNews) April 15, 2026
Let’s review the individual cases:
- Frank Maiwald (NASA JPL): Senior researcher and “Principal” at NASA’s Jet Propulsion Laboratory in Pasadena, California, was involved in high‑level mission design and systems engineering. He was reported dead on July 4, 2024, in Los Angeles; obituaries did not list a cause of death and there was reportedly no public autopsy result.
- Monica Jacinto Reza: NASA/JPL materials or engineering leader who vanished during a hike in Angeles National Forest on June 22, 2025; she was with friends when she reportedly disappeared only yards away, and search efforts have not found her.
- Anthony Chavez: Los Alamos National Laboratory employee reported missing in May 2025.
- Melissa Casias: Employee at Los Alamos National Laboratory reported missing in 2025; local coverage has described ongoing concern and a lack of breakthroughs.
- Michael David Hicks: NASA scientist (linked in coverage to asteroid‑deflection research) who died in 2023; his case has been retroactively added to some lists as attention grew, with no detailed public cause of death released.
- Nuno Loureiro: MIT fusion‑energy or plasma‑science researcher killed at his home in Brookline, Massachusetts in December 2025 in what is described as a homicide.
- Carl Grillmaier: Astrophysicist shot and killed on his porch in rural Llano County, with a suspect charged following an apparent carjacking or related incident.
- Jason Thomas: Novartis scientist/chemical biologist working on cancer research, reported missing in December 2025; his body was later found in a Massachusetts lake in March 2026, and authorities have said no foul play is suspected while cause of death remains pending or undisclosed.
- William Neil (Neil) McCasland: Retired U.S. Air Force major general who oversaw Air Force science and technology programs; he left his New Mexico home on February 27, 2026, without his phone or glasses and has not been seen since, drawing intense media attention because of his past work and tangential appearance in UFO‑related emails.
- Steven Garcia: Government contractor at the Kansas City National Security Campus in Albuquerque, a site that produces non‑nuclear components for U.S. nuclear weapons, who left his home on foot on August 28, 2025, and disappeared.
Members of the administration and Congress have taken note of these troubling developments.
Former FBI Assistant Director Chris Swecker recently told the Daily Mail: ‘You can say these are all suspicious, and these are scientists who have worked in critical technology.’
Swecker claimed that multiple foreign intelligence services, including enemies and allies of the US, have been targeting Americans possessing secrets of the nation’s technology for decades.
’China, Russia, even some of our friends – Pakistan, India, Iran, North Korea – they target this type of technology,’ Swecker revealed.
Tennessee Congressman Tim Burchett told the Daily Mail in March: ‘There have been several others throughout the country that have disappeared under suspicious circumstances. I think we ought to be paying attention to it.’
LINKSS BETWEEN 10 MISSING SPACE SCIENTISTS: via @Daily_MailUS https://t.co/or5wguDHAk pic.twitter.com/FQJvJZSmGc
— Leslie Eastman ☥ (@Mutnodjmet) April 15, 2026
While the circumstances surrounding these disappearances and deaths remain unclear, it is the shared hope of many that the missing scientists are found safe and healthy, and that their families soon find answers. As investigations continue, Americans also look for reassurance that the nation’s space, defense, and scientific programs remain secure, resilient, and uncompromised.
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Comments
Did anyone check the warehouse where they stashed the Ark or did the Top Men already tell everyone ‘nothing to see, move along’.
You, Sir, owe me a new keyboard!
I’m sure Piker is blaming the Jews for this.
As are more than you may think.
Is that where the space lasers and weather control came from? /S
Has anyone seen Hillary Clinton?
Not voluntarily.
Some of these cases are unsolved but some are solved with no apparent connection to the others
One of them is an cancer researcher that seems unrelated to the others at all and makes no sense as part of any conspiracy target
Maybe there is something here with a few cases, but overall this feels like conspiracy theory fodder from engagement miners …
… on the other hand I still don’t trust the government if they say there is nothing to see here lol 😂
I know Melissa Casias. She was an administrative assistant at Los Alamos. That’s not a particularly high profile job, it’s what we used to call a glorified secretary. Melissa was having personal issues and it’s extremely likely she just walked away.
Nuno Loureiro was the prof shot by the Brown school shooter. He was an old classmate of the shooter from Portugal. Doesn’t point to conspiracy.
There’s also the guy shot by the weirdo in Cali. There’s definitely some engagement farming, but it is worth looking into. It just not worth obsessing over.
Was she the lady that geared up for a hike in a nearby National Forest and never came back? I remember reading that at least 2 people disappeared on solo hikes.
I knew a secretary who once worked (many years ago) at a space science lab in FL. She said there were signs posted that read: What you see here, hear here, do here, stays here.
Secretaries/administrative assistants often know a lot about what’s going on in an organization, depending on how high up on the ladder their boss is.
Not every job at Los Alamos requires a Q clearance. Melissa’s job didn’t require it.
The women don’t seem connected to this group
I’m not saying it’s aliens but…..one of the guys was working on UFO’s.
Trump said today they had a meeting about this and will have something me answers in a week and a half
Not a week or 2 weeks
Weird
Not weird at all. That’s probably just the date they called the next meeting for, and he expects at that time to see a progress report.
A mysterious tape labeled IPCRESS was found. Harry Palmer is seeking Bluejay.
Watched Michael Caine in that when I was in college. And we had our 55th reunion year before last. Old movie!
Look! There here a squirrel!
Let’s dump a bucket of similar but unrelated things on the table and try to find meaning in them as a group.
That’ll keep us busy.
Meanwhile, on the periphery something will go on that we don’t pay attention to.
What’s odd is that most disappeared in 2025. Stupid events and or people get investigated all the time, so why not this which involves persons in significant roles in scientific research, not stupid stuff.
if fjb could let in millllions so easily
kidnapping a few to take to china is probably easy peasy
Is this really odd? The government employs a lot of people and has more on some kind of contract, working as “non-employees. Is this number of deaths and/or disappearances statistically different from what could occur with any very large employer?
The article at hand does not include the age of any of the subjects and almost none have a cause of death listed (of those actually dead). An autopsy does not automatically happen if there is a treating physician who will verify an apparent health issue that causes the death. There should be a death certificate naming that physician in the public record. There is a whole lot more to do before some grand conspiracy is identified.
As to the people that were killed, they needed no autopsy, though one should have been done, and normally you would think one would have been done, bug they knew the cause of death, as they were literally killed. There were articles about them being killed, and K believe in most cases limited news stories, and if you scroll up you can see a few posters noted that they saw how some of those people died. As to the rest, some of them just up and vanished without a trace, which is part of the problem, no one knows what happened to them, so if there is no body, there is nothing to autopsy. Just pointing that out. That being said, while I’m not real big into the whole conspiracy thing, I do believe that when you have a spate of high level Brilliant people that are all working for the Government that just over a short space vanish into thin air, I do believe that it’s well worth looking into.
Except that as Sanddog pointed out, they’re not all “high level Brilliant people”.
Los Alamos and Sandia (in Albuquerque) employ over 30K people. This is only a story because of how fast news and gossip spread on the internet.
“As to the people that were killed, they needed no autopsy, though one should have been done, and normally you would think one would have been done, bug they knew the cause of death, as they were literally killed.”
Except when someone is covertly killed such that it is attributed to natural causes, which is the point here.
What was Ian Fleming’s maxim? 2nd time could be a coincidence, 3rd time means you are under attack.
But people thought it was great when Israel whacked Iranian scientists.
Rules for others but not for us?
Ot just another example of American exceptionalism?
Yes, it was and is great. That’s how you fight a war.
Who said anything about “rules”? War has one rule: Our forces killing the enemy’s is good, the enemy forces killing ours is bad. Us bombing Germany was good, them bombing the UK was bad. And from the enemy’s point of view it’s the exact opposite. What exactly are you having difficulty understanding here?
People are obsessed with Nancy Guthrie’s appearance. Why isn’t it legit to question the disappearance of these scientists/researchers?
Guthrie’s disappearance is only mysterious because she was an old lady with limited mobility, so she’s very unlikely to have disappeared deliberately, and if she’d wandered off by accident she’d have been found nearby. And people are obsessed with it only because her daughter is a celebrity. If not for these two factors there’d be zero interest in the case outside her family and friends.
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