
The Boston Globe

By Reduce Stoico, Sarah Rahal, The Boston Globe
updated on April 28, 2026
4 minutes to read
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What started as an net conspiracy belief — unconfirmed hypothesis that the deaths or disappearances of as a minimum 10 scientists could presumably well be linked — is now the discipline of a federal investigation.
The FBI acknowledged in a assertion Tuesday it is “spearheading the trouble to take a examine connections into the missing and deceased scientists,” all of whom had ties to soft files. A day earlier, Republican leaders of the Home Oversight Committee acknowledged they’re looking out for files from several federal companies, along side NASA, the Department of Vitality, and the Department of Protection, “in regards to the scientists and other personnel linked to U.S. nuclear secrets and ways or rocket technology who procure died or mysteriously vanished in unusual years.”
While any hyperlinks amongst the cases stay unconfirmed, the reviews “elevate questions a few imaginable unfriendly connection” between them, the Republican lawmakers acknowledged.
“If the reviews are correct, these deaths and disappearances can also honest signify a grave possibility to U.S. national security and to U.S. personnel with fetch correct of entry to to scientific secrets and ways,” Representatives James Comer of Kentucky and Eric Burlison of Missouri acknowledged in a assertion.
The conditions surrounding every of the deaths and disappearances fluctuate. But online hypothesis has grown in unusual months till reaching the halls of Congress and the White Home.
The events in expect started in 2023 with the death of Michael David Hicks, a Boston College graduate who worked as a scientist at the NASA Jet Propulsion Laboratory from 1998 to 2022, the lawmakers acknowledged.
One other NASA scientist, Monica Reza, disappeared whereas hiking in California in June 2025 and stays missing, the lawmakers acknowledged. In February, retired Air Power General William Neil McCasland disappeared from his Albuquerque, N.M., home with a gun and stays missing.
Without identifying them by title, the lawmakers also mentioned “an MIT scientist engaged on nuclear fusion,” and “a pharmaceutical researcher,” believed to be MIT professor Nuno F.G. Loureiro, who used to be killed in his Brookline home in December, and Jason Thomas, a scientist from Wakefield who worked for a pharmaceutical firm in Cambridge.
The White Home acknowledged final week it used to be working with federal companies to probe any imaginable hyperlinks, in accordance to CNN. President Trump referred to the subject as “rather severe stuff,” the data outlet reported.
“I’m hoping it is random, but we are going to know within the next week and a half,” Trump suggested newshounds on April 16.
This week, a series of experts expressed solid doubts that the cases are phase of a broader conspiracy.
“I haven’t the truth is seen the relaxation that connects the dots between these devices,” acknowledged Cole Donovan, a extinct Biden administration learn security first price who till nowadays worked at the Federation of American Scientists.
Donovan acknowledged the identified cases seem to stem from very varied conditions, pointing in particular to the killing of Loureiro, who used to be shot and killed at his home in Brookline on Dec. 15 by Claudio Manuel Neves Valente.
Authorities issue that Valente killed two Brown College students in a mass taking pictures at the Rhode Island college two days earlier. The 2 were extinct classmates at a faculty in Lisbon.
“That regarded admire it used to be the truth is an interpersonal thing between the two individuals,” he acknowledged.
Extra broadly, Donovan acknowledged the US does no longer procure a history of centered killings of scientists, unlike every other international locations.
“We don’t the truth is procure a history of parents going down and monitoring down scientists” within the US, he acknowledged, contrasting it with cases such because the killings of Iranian nuclear scientists in a international country.
While scientists engaged on classified learn can face dangers such as surveillance, thousands of parents retain security clearances and the impress of soft scientific knowledge step by step diminishes over time.
“There are actually thousands of those who retain these clearances through the authorities and spherical the country,” Donovan acknowledged.
Sheila Jasanoff, who directs the Program on Science, Know-how and Society at Harvard College’s John F. Kennedy College of Government, also cautioned in opposition to making an strive for connections with out proof.
“The gaze for meaning in random events is as used as humanity,” she acknowledged, noting that individuals naturally take a look at out some semblance of mumble even when events seem unconnected.
The death of Thomas, who worked as a senior investigator for Novartis Institutes of BioMedical Compare in Cambridge, has also been mentioned in hypothesis a few imaginable conspiracy.
He used to be reported missing in mid-December and his physique used to be recovered from Lake Quannapowitt in Wakefield in March after a monthslong search.
A spokesperson for the Middlesex District Attorney’s discipline of labor acknowledged Wednesday that the assert scientific examiner has no longer but dominated on the formula and clarification for Thomas’s death, but authorities enact no longer suspect sinful play.
In their letters, the Republican lawmakers referenced unverified reviews intriguing two individuals linked to Los Alamos National Laboratory in Contemporary Mexico and a authorities contractor at a nuclear weapons facility.
The Home Oversight Committee acknowledged it is looking out for files no longer simplest in regards to the person cases but additionally about how companies give protection to scientists with fetch correct of entry to to classified or soft discipline subject.
Jasanoff warned that attempts to hyperlink the deaths raise broader dangers.
“In a time of political fracture and polarization, the relaxation that provides to suspicion of science and scientists further undercuts society’s skill to agree on info and data,” Jasanoff acknowledged. “This ends in extra social brittleness and vulnerability to public lying. These are severe worries in a democracy.”
David Keith, a extinct Harvard environmental science and engineering professor who nowadays moved to the College of Chicago, brushed aside the probe into whether or no longer the deaths are linked as “nonsense.”
“A society can no longer govern itself if it is going to no longer distinguish actuality from nonsense,” he acknowledged.
Robert Langer Jr., a pioneering MIT biomedical engineer identified for breakthroughs in drug transport and tissue engineering, acknowledged it’s impossible to search out out whether or no longer the cases are linked.
“I’m questioning if some form of statistical prognosis could presumably well be completed,” he acknowledged. “I mediate if there are unexplained deaths, somebody will procure to compare.”



