Article By Frank Bergman
A growing wave of suspicious deaths and mysterious disappearances involving high-level nuclear and space scientists has triggered a coordinated federal investigation, raising serious concerns about whether the individuals were targeted for their work.
NASA has now confirmed it is working with multiple federal agencies to examine the cases.
It comes as questions mount in Washington, D.C., over potential links between them.
In a statement, NASA spokeswoman Bethany Stephens said:
“NASA is coordinating and cooperating with the relevant agencies in relation to the missing scientists.
“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.”
White House Launches Coordinated Review
The escalation comes as the White House formally acknowledged the situation.
White House Press Secretary Karoline Leavitt confirmed that President Donald Trump’s administration is actively reviewing the cases.
“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,” Leavitt said.
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… pic.twitter.com/SJ9thaFegh
— Karoline Leavitt (@PressSec) April 17, 2026
At least 11 scientists have either died or vanished since 2022.
Many were deeply embedded in sensitive fields, including nuclear research, aerospace technology, and investigations into Unidentified Anomalous Phenomena (UAPs).
Pattern of Deaths and Disappearances Raises Alarms
Among those confirmed dead are:
- Michael David Hicks, 59
- Frank Maiwald, 61
- Nuno Loureiro, 47
- Jason Thomas, 45
- Amy Eskridge, 34
- Carl Grillmair, 47
Several of these cases remain unresolved.
Hicks and Maiwald’s causes of death have not been disclosed.
Loureiro and Grillmair were both shot dead at home in separate incidents.
Jason Thomas’s body was discovered months after he vanished, while Eskridge was reported to have died from a self-inflicted gunshot wound.
At the same time, multiple individuals connected to similar fields have disappeared under what officials describe as suspicious circumstances, including:
- Monica Reza, 60
- Melissa Casias, 53
- Anthony Chavez, 79
- Steven Garcia, 48
- Retired Air Force Maj. Gen. William Neil McCasland, 68
The clustering of these cases has fueled speculation that the incidents may not be isolated.
Whistleblower Death Deepens Concerns
The situation has intensified following the death of a potential whistleblower tied to classified programs.
Rep. Eric Burlison (R-MO) has formally requested that FBI Director Kash Patel open an investigation into the death of Matthew James Sullivan, a 39-year-old former U.S. Air Force intelligence officer.
As Slay News previously reported, Sullivan was preparing to testify before Congress regarding alleged government knowledge of UFO-related programs.
However, he died suddenly on May 12, 2024, before he could provide his testimony.
“The sudden and suspicious circumstances surrounding his death raise significant concerns about potential foul play and the safety of other individuals involved in this matter,” Burlison wrote in a letter to Patel.
Sullivan previously held senior roles within the national security apparatus, including work with the National Air and Space Intelligence Center and the Defense Advanced Research Projects Agency.
Burlison emphasized the significance of Sullivan’s background.
“Look at Matthew Sullivan’s credentials and his experience,” Burlison said.
“He certainly was someone who was read in at the highest classification levels and knew some of our nation’s most important secrets.”
“And so did a lot of these other people,” he added.
Trump Administration Vows Answers
President Donald Trump has acknowledged the growing concern surrounding the cases and pledged to get to the bottom of what happened.
“I hope it’s random, but we’re going to know in the next week and a half,” Trump said.
“I just left a meeting on that subject.”
WATCH:
Meanwhile, House Oversight Committee Chairman James Comer (R-KY) has signaled that Congress is preparing to escalate oversight.
“We’ve put a notice out to the Department of War, the FBI, NASA, and the Department of Energy,” Comer said.
“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.”
“We want to try to piece this together,” he added.
Congressional Hearings Loom
Comer confirmed that lawmakers are now preparing to bring officials from NASA, the FBI, and other federal agencies before Congress to testify about what they know.
With multiple deaths, unresolved disappearances, and a whistleblower case now tied to the broader pattern, pressure is mounting for answers.
Whether the incidents are connected, or something more, is now the central question driving a rapidly expanding federal investigation.
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