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As unexplained disappearances of UFO experts continue, an air of mystery and unease settles over the scientific community.Los Alamos Today
A series of deaths and disappearances involving military figures and scientists have sparked calls for scrutiny, with speculation over potential links to Unidentified Flying Object (UFO) research, though no firm connection has been established by authorities. The cases include the recent disappearance of retired Air Force Major General William Neil McCasland and the earlier vanishing of NASA scientist Monica Reza, among others.
Why it matters
The string of unexplained incidents has had a ‘chilling effect,’ with members of Congress expressing concern that people are now afraid to discuss UFO-related topics due to the potential risks. The cases have reignited longstanding debates over government transparency and the public’s right to know about classified research.
The details
Among the disappearances that have sparked speculation are those of McCasland and Reza. McCasland was last seen on February 27 near his home in Albuquerque, New Mexico, leaving behind his phone, glasses, and wearable devices. Investigators are assessing whether his case is connected to Reza, who went missing while hiking in the Angeles National Forest months earlier after previously working on a government-funded rocket materials project overseen by McCasland. Other incidents include the deaths of NASA researcher Frank Maiwald and Novartis researcher Jason Thomas, as well as the disappearances of former Los Alamos National Laboratory employee Anthony Chavez and Los Alamos administrative assistant Melissa Casias.
On July 4, 2024, NASA Jet Propulsion Laboratory researcher Frank Maiwald died in Los Angeles at age 61, with no cause of death disclosed.On May 4, 2025, former Los Alamos National Laboratory employee Anthony Chavez vanished.On June 22, 2025, NASA scientist Monica Reza went missing during a hike in the Angeles National Forest.On June 26, 2025, Los Alamos administrative assistant Melissa Casias disappeared from her residence, with her mobile devices having been wiped.On December 12, 2025, Novartis researcher Jason Thomas went missing, and his body was later recovered from a lake on March 17, 2026.
The players
William Neil McCasland
A retired Air Force Major General who was last seen on February 27, 2026, near his home in Albuquerque, New Mexico, leaving behind his phone, glasses, and wearable devices.
Monica Reza
A NASA scientist who went missing during a hike in the Angeles National Forest on June 22, 2025, reportedly disappearing just yards from others in her group.
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What they’re saying
“It’s remarkable that General McCasland apparently walked out of his home, left all of his devices and never came back. And Monica Reza, she was on a hike as well and mysteriously disappeared. And I’ve heard of others…”
— Eric Burlison, Missouri Republican Congressman
“This has had a real chilling effect. People don’t want to talk about this issue of Unidentified Flying Objects anymore, and it’s kind of difficult to get to people because they are afraid.”
— Tim Burchett, Tennessee Republican Congressman
What’s next
Investigators have said they are still assessing whether McCasland’s case is connected to Reza’s disappearance, and members of Congress have requested the involvement of the FBI in the ‘deeply concerning’ disappearances.
The takeaway
The string of unexplained disappearances and deaths of experts linked to UFO research has created an atmosphere of fear and suspicion, raising urgent questions about government transparency and the public’s right to know about classified activities that may be putting lives at risk.