How the Mysterious Deaths and Disappearances of Elite Scientists Fueled a Storm of Conspiracy Theories

The case is no longer just the speculation of conspiracy theorists whose opinions, filled with sensational and bizarre details, are circulating online.

Today, experts and officials are anxiously following the details of the mysterious and simultaneous deaths and suspicious disappearances of several American and Chinese scientists who worked on sensitive military, space, and scientific programs. 

Theories have proliferated regarding a silent purge of the system or foreign intelligence interference.

Among those concerned is US President Donald Trump, who sparked controversy last week by speaking about the deaths and disappearances of American scientists under mysterious circumstances, emphasizing that investigations are underway to uncover all the details of the case.

These incidents have occurred as the White House issued new orders for NASA and the Pentagon to accelerate the development of nuclear space reactors.

Despite the growing interest in the issue from the administration and the US media, authorities have not confirmed any connection between these cases.

Amid these facts, the case remains one of the most complex mysteries, as American media outlets indicate. Hypotheses range from isolated incidents to the possibility of a common thread whose dimensions have yet to be revealed, pending the outcome of the investigations.

Undeclared War

As competition intensifies daily between the U.S. and China in the fields of science and military technology, a disturbing phenomenon has recently come to light, fueling conspiracy theories in both countries. This phenomenon consists of a series of mysterious deaths and disappearances of elite scientists.

In the U.S., authorities have recorded at least 12 cases of disappearances or deaths of scientists working in the fields of space, defense, and nuclear weapons. 

President Donald Trump recently described this as a very serious matter, expressing his hope that these incidents are merely coincidences.

Harvard physicist Avi Loeb cautioned against drawing hasty conclusions, emphasizing that each incident may have its own specific circumstances and that there is still no conclusive evidence pointing to a specific pattern.

In contrast, China has recorded at least nine deaths of prominent scientists in similar circumstances, most of whom had received training at top American universities before returning to China to contribute to its military modernization.

In July 2023, Feng Yanghe, 38, a professor at the National University of Defense Technology, died in an unexplained car crash in the early hours of the morning in Beijing.

The brilliant scientist is buried in a special cemetery in Beijing for the Communist Party elite and state heroes martyrs.

Other deaths attributed to car accidents have included Zhang Xiaoxin, 62, in December 2024, a space expert at the National Satellite Meteorological Centre who specialized in weather monitoring and early warning systems.

In 2018, Chen Shuming, 57, a Chinese military scientist and microelectronics expert at the National University of Defense Technology, died in a car accident.

The celebrated chemist Zhou Guangyuan, 51, died in December 2023, with no cause of death given. 

The expert was a member of the Chinese Academy of Sciences and a researcher at the Dalian Institute of Chemical Physics.

Last year, Zhang Daibing, 47, one of China's top drone experts and the former deputy director of the National University of Defense Technology's Unmanned Systems Research Institute, died in Changsha in Hunan province.

The hypersonics field has also lost experts such as Fang Daining, 68, apparently after an unexpected medical episode in South Africa in February 2026.

Another hypersonics researcher, Yan Hong, 56, who had worked at Wright State University in Ohio before returning to China, died in March 2026, reportedly following an illness.

Liu Donghao, 51, a prominent data scientist, died in 2024 after an unspecified accident. 

He was the founder of Guizhou Big Data Protection Engineering Security Research and a pioneer in the field of China's data security management systems.

Li Minyong, 49, an internationally renowned biomedical chemist who was a Ministry of Education talent plan awardee, died in Guangzhou in November 2025 after a sudden illness.

While official data describes these incidents as accidental or resulting from health crises and car accidents, researchers and military analysts told Newsweek that these deaths are precisely concentrated in game-changing fields such as hypersonic weapons and military artificial intelligence.

The experts emphasized that the goal may not be to eliminate an entire group, but rather to eliminate some of the brightest minds conducting groundbreaking work that has a deterrent effect.

They indicated that if it is proven that they were targeted, the world is facing an undeclared scientific war aimed at crippling the minds behind the world's most sensitive defense programs.

Mysterious Incidents

A nuclear physicist and MIT professor was fatally shot outside his Massachusetts residence. A retired Air Force general missing from his New Mexico home. An aerospace engineer who disappeared during a hike in Los Angeles.

These are among at least 12 individuals connected to sensitive US nuclear and aerospace research who have died or disappeared in recent years, prompting concerns about whether they are connected and fueling speculation online about the possibility of nefarious activity.

The rumor mill went into overdrive Thursday following the death of famed UFO researcher David Wilcock, who died by suicide on April 20, the Office of the Boulder County Coroner confirmed. Wilcock’s death brings the total number of mysterious cases to 12.

Last February, retired Air Force General William McCasland, 68, disappeared after leaving his home in Albuquerque without his phone.

He was instrumental in some of the most advanced aerospace research at the Department of Defense and previously led the Air Force Research Laboratory at Wright-Patterson Air Force Base, which has been associated for years with UFO stories.

During the same month, astrophysicist Carl Grillmair, 67, who had worked on missions for NASA and was renowned for his research on the search for water on exoplanets, was shot dead outside his home outside Los Angeles. 

Authorities arrested a suspect who is not believed to have known Grillmair, according to KABC.

In August 2025, scientist Steven Garcia, 48, a government contractor who worked on securing nuclear components, disappeared.

In June 2025, aerospace engineer Monica Jacinton Reza, 60, disappeared while hiking in a Los Angeles forest.

The House Oversight Committee reported that she was the director of the Materials Processing Group at NASA's Los Alamos National Laboratory.

Two other missing persons, Melissa Casias, 53, and Anthony Chavez, 78, worked at Los Alamos National Laboratory, a leading nuclear research facility in New Mexico.

In December 2025, Professor Nuno Lureiro, 47, a physics professor at MIT, was shot and killed in his home near Boston by a gunman who also opened fire on the Brown University campus, killing two students.

He was the director of the Center for Plasma and Fusion Science at MIT, where he focused on developing clean energy technologies and other research.

In 2024, former U.S. Air Force intelligence officer Matthew James Sullivan, 39, died.

Republican Rep. Eric Burlison told Fox News that Sullivan committed suicide, calling it suspicious.

“He was scheduled to testify in a whistleblower case related to UFOs. But within two weeks, he took his own life under suspicious circumstances,” he said.

Frank Maiwald, 61, a space research specialist, also died at his home in Los Angeles in 2024.

The cause of death of Michael David Hicks, 59, a research scientist at the Jet Propulsion Laboratory who worked on projects such as Project DART, in July 2023, remains a mystery.

In recent days, the death of Amy Eskridge, 34, in 2022, has garnered significant attention, particularly as she was a co-founder of the Institute of Strange Sciences in Huntsville. Alabama.

A Coincidence or Deliberate?

On April 16, US President Donald Trump addressed this sensitive issue for the first time, telling a group of journalists that he had just come from a meeting on the subject.

Trump promised that the US administration would provide a satisfactory answer within a week and a half regarding whether there is a link between the cases.

Rep. Eric Burlison described these incidents as potentially bearing the hallmarks of foreign intelligence operations, calling for an immediate federal investigation to protect national security.

Rep. James Comer stated that the recent series of incidents involving American nuclear scientists is a serious indicator and cannot be considered mere coincidence, suggesting a connection between these events and the global nuclear arms race.

He explained that the loss or death of several leading scientific researchers and guarantors of US nuclear technological supremacy raises serious questions, especially since these incidents ranged from shootings and disappearances to sudden illnesses.

He linked these developments to the effort to prevent Iran from acquiring a nuclear weapon, emphasizing that Washington is taking these mysterious incidents very seriously due to their direct impact on national security and American technological leadership.

The Republican-majority House Oversight Committee announced that it will investigate the reports concerning the deaths and disappearances of these individuals, who it said had access to sensitive scientific information.

Rep. James Walkinshaw agreed, a Democrat and member of the oversight committee, he stressed the need for an investigation into the disappearances and deaths but expressed skepticism about a coordinated motive behind them.

The FBI says it is leading the effort to find connections between the missing and deceased scientists, adding that it is working with the Department of Energy, the Department of Defense, and state and local law enforcement partners to find answers.

While no final conclusions have been released, the investigations are currently focused on key areas to try to understand whether this was a series of random events or a deliberate act.

The main themes included modern espionage and the activities of foreign powers within the United States.

US intelligence agencies are investigating the suspected involvement of hostile foreign actors in attempts to disrupt vital US defense programs by targeting its human capital through the assassination or abduction of scientists possessing unique knowledge.

The second theme focuses on whether these operations are limited to covert assassinations or include attempts to recruit or abduct scientists to transfer nuclear and space technology knowledge.

The third theme examines a common pattern of behavior known as voluntary disappearance.

Investigators are studying a peculiar pattern observed in some disappearance cases involving individuals who left their homes on foot, leaving behind essential items such as cell phones, wallets, keys, and cars.