Michael David Hicks, a research scientist at NASA's Jet Propulsion Laboratory who spent nearly a quarter century studying comets and asteroids, died on July 30, 2023, at the age of 59. The cause of death was never made public, and no record of an autopsy has been found. His case now marks the ninth person with ties to America's space or nuclear programs to die or vanish under murky circumstances in recent years, a pattern that has drawn the attention of Congress and former senior intelligence officials.
Three of the nine had close professional ties to Hicks himself. NASA and JPL have not commented on his death or the deaths of his colleagues, and did not reply to the Daily Mail's inquiries into the nature of the scientists' work before they died.
That silence alone should trouble anyone who believes the federal government owes the public basic accountability when people entrusted with sensitive national security work start turning up dead or missing at a rate that defies easy coincidence.
Hicks worked at JPL from 1998 to 2022 and was credited with publishing more than 80 scientific papers. He served on multiple teams helping NASA understand the physical properties of comets and asteroids, contributed to the DART Project, the agency's planetary defense mission, and worked on the Deep Space 1 Mission, which flew by a comet in 2001.
His death appeared to happen suddenly, roughly one year after leaving NASA JPL. No location was given. No cause was released. The only public record marking his passing was a single obituary posted online.
What makes the case alarming is not just what is unknown about Hicks' death but who else on a similar career track has met a similar fate.
Frank Maiwald, a long-time coworker of Hicks and a JPL Principal, an honor given to scientists "making outstanding individual contributions" in their fields, died in Los Angeles on July 4, 2024, at age 61. The circumstances remain unknown. In June 2023, just 13 months before his death, Maiwald was the lead researcher on a breakthrough that could help future space missions detect clear signs of life on other worlds.
Monica Reza, JPL's new Director of the Materials Processing Group, vanished without a trace in June 2025, just months after beginning her tenure. She went missing during a hike in California. Before joining JPL's leadership, Reza had worked on the creation of advanced rocket technology.
The connections between these three cases and Hicks are direct. All worked at or with JPL. All were engaged in research at the frontier of American space capability. And in each case, the public record is either thin or nonexistent.
The list extends well beyond JPL. Carl Grillmair, a 67-year-old astrophysicist at the California Institute of Technology whose work was heavily supported by NASA's Jet Propulsion Laboratory, was killed on the front porch of his home on February 16, 2026. Grillmair had contributed to the discovery of water on a distant planet, worked on NASA's NEOWISE and NEO Surveyor infrared space telescopes that track asteroids, and had research that could point to signs of life less than 160 light-years from Earth.
At a time when the broader threat environment facing the United States continues to escalate, the pattern around these scientists deserves far more scrutiny than it has received.
Nuno Loureiro, a 47-year-old physicist leading efforts to create fusion energy at MIT's Plasma Science and Fusion Center, was killed at his home in the Boston suburb of Brookline on December 15, 2025. Authorities said the gunman was Claudio Neves Valente, a former classmate from Portugal. Newsmax reported that Loureiro's death was among the cases flagged by Rep. Tim Burchett as part of a broader pattern involving prominent scientific figures.
Retired Air Force General William Neil McCasland, 68, vanished on February 27, 2026, after reportedly leaving his home on foot with only a handgun. McCasland held nuclear and UFO-related secrets during his career. While commanding the Air Force Research Lab, he supervised and approved funding for Monica Reza's work to invent a new metal used to create space-age rocket engines, tying his disappearance directly to another name on this list.
Two employees of the Los Alamos National Laboratory, Anthony Chavez, 79, who retired in 2017, and Melissa Casias, 54, an active administrative assistant believed to have held top security clearance, both vanished from their homes in New Mexico roughly a year ago. Both were last seen leaving on foot, leaving behind their cars, keys, wallets, and phones before disappearing without a trace.
The fact that two people from the same nuclear weapons laboratory vanished under nearly identical circumstances, walking away from everything they owned, and neither has been found is not a detail that should be brushed aside. Questions about the security of America's most sensitive research institutions are hardly academic when homeland security funding itself has been held hostage by political standoffs in Washington.
Jason Thomas, a pharmaceutical researcher testing cancer treatments at Novartis, was found dead in a Massachusetts lake on March 17, 2026, after disappearing without a trace three months earlier.
Tennessee Congressman Tim Burchett told the Daily Mail in March that the pattern cannot be ignored:
"There have been several others throughout the country that have disappeared under suspicious circumstances. I think we ought to be paying attention to it."
Burchett went further, directly challenging the federal agencies that should be investigating these cases. He has blasted the nation's intelligence community, specifically calling out the so-called "alphabet agencies" such as the FBI, and claimed that some intelligence agencies have obstructed his attempts to learn what happened to these scientists and researchers.
His assessment was blunt:
"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."
That a sitting congressman feels compelled to say he does not trust the government to provide basic answers about dead and missing scientists should set off alarms. When officials tasked with protecting national security secrets cannot, or will not, explain what is happening to the people who hold those secrets, the public is left to draw its own conclusions.
Former FBI Assistant Director Chris Swecker framed the stakes in terms of foreign intelligence threats. He recently told the Daily Mail that the cases warrant serious concern:
"You can say these are all suspicious, and these are scientists who have worked in critical technology."
Swecker pointed to the long history of foreign governments targeting American researchers:
"China, Russia, even some of our friends, Pakistan, India, Iran, North Korea, they target this type of technology. It's been happening since the Cold War. Especially when nuclear technology and missile technology were first coming to the forefront."
What makes this story so unsettling is not just the body count. It is the void where answers should be. NASA and JPL have not commented on the deaths of Maiwald or Hicks. The University of Arizona, Hicks' alma mater, was also contacted for comment. No public investigation has been acknowledged. No official has stepped forward to explain why so many people working in overlapping fields of sensitive research have met similar fates in such a compressed window of time.
The federal government's approach to security vulnerabilities across its own agencies has been marked by bureaucratic paralysis and political gamesmanship. The silence surrounding these cases fits a familiar pattern: institutions that demand the public's trust while refusing to earn it through transparency.
Consider the range of what remains unknown. No cause of death for Hicks. No cause of death for Maiwald. No trace of Reza, Chavez, Casias, or McCasland. A fusion energy researcher gunned down in his home. An astrophysicist killed on his own porch. A pharmaceutical researcher found dead in a lake months after vanishing. Nine cases. Zero coherent public explanations from the agencies that employed or funded these individuals.
The connections between the cases are hard to dismiss as coincidence. McCasland funded Reza's rocket-engine research. Three of the dead or missing worked at or with JPL alongside Hicks. Chavez and Casias both worked at Los Alamos and vanished in the same manner. The fields involved, asteroid tracking, fusion energy, advanced propulsion, planetary defense, nuclear weapons, represent some of the most strategically valuable knowledge the United States possesses.
At a moment when America's security infrastructure is already stretched thin, the possibility that foreign adversaries are targeting the country's scientific talent is not a conspiracy theory. It is a counterintelligence question that demands a serious answer.
Swecker's point about foreign targeting is not speculative history. China's systematic theft of American intellectual property and its recruitment of researchers through programs like the Thousand Talents Plan are well-documented matters of public record. Russia's intelligence services have a long track record of operations against Western scientists. The idea that adversaries might escalate from recruitment to elimination is not far-fetched, it is the logical extension of a threat that American counterintelligence has acknowledged for decades.
Yet the institutions responsible for protecting these researchers and investigating their deaths have offered the public nothing. Not a statement. Not a press conference. Not even a boilerplate assurance that the matter is being taken seriously.
Nine people. Ties to NASA, JPL, Los Alamos, the Air Force Research Lab, MIT, Caltech, and Novartis. Dead or gone. And the government that held their secrets cannot be bothered to explain what happened to them.
When the people who guard America's most sensitive research go silent about the people who conducted it, the silence itself becomes the story, and the threat.
