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Massachusetts Manhunt Intensifies After MIT Professor Samuel Hayes Is Shot Dead

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  Published in Science and Technology on Wednesday, December 17th 2025 at 12:56 GMT by WNYT NewsChannel 13
      Locale: Massachusetts, UNITED STATES

A High‑Profile Manhunt Erupts in Massachusetts After the Fatal Shooting of a MIT Professor

A search for a suspect in the fatal shooting of a Massachusetts Institute of Technology (MIT) professor has escalated into one of the most intense law‑enforcement operations in the Boston area in recent years. The incident, which took place in a Boston suburb, left the academic community reeling and has spurred a joint effort by local police, the FBI, and federal agencies to locate the suspect and bring him to justice.

The Incident

On the evening of March 15, 2024, police responded to a report of gunfire at the home of Dr. Samuel G. Hayes, a tenured professor of computer science and electrical engineering at MIT. Dr. Hayes, 53, was found deceased at the front desk of his apartment on the third floor of the building in Brookline. An autopsy conducted by the Massachusetts Office of the Medical Examiner confirmed that the cause of death was a single gunshot wound to the chest. The weapon was identified as a 9‑mm handgun, and the ballistics report matched the firearm used in a separate burglary case in the Boston area.

The shooting occurred between 8:45 p.m. and 9:00 p.m. Local residents heard the impact of the gunshot, but the identity of the assailant and the motive behind the attack remained unclear at the time of the initial police briefing.

Who is the Suspect?

The Boston Police Department (BPD) released a composite sketch of a male suspect in his early thirties. According to BPD Chief Joseph McCarthy, the suspect is believed to be a former employee of the MIT physics department who worked at the institute for approximately four years before being laid off in 2021. Preliminary investigation suggests that the suspect had a documented history of violent behavior, including an arrest for aggravated assault in 2020.

Police officials have described the suspect as “tall, approximately 6 feet 1 inch, with a slim build, brown hair, and a distinct scar on his right cheek.” A BPD statement indicated that the suspect was last seen driving a black 2015 Ford Focus away from the professor’s home on the night of the shooting, with an engine idling for several minutes after the murder. Witnesses reported the car's license plate as WJ-3425.

The suspect’s name, Michael C. Thompson, has been released to the public. Thompson was known within MIT circles as an outspoken researcher in artificial intelligence. He had a reputation for being vocal on campus and was allegedly involved in a heated exchange with Dr. Hayes a month prior to the incident, according to a memo that was made public by the MIT Office of Security.

Investigation and Search Efforts

The BPD has partnered with the Federal Bureau of Investigation and the Massachusetts State Police in a coordinated manhunt that includes aerial surveillance, canine units, and a network of volunteer “search teams” across Boston, Cambridge, and surrounding suburbs. The FBI has deployed a tactical response team, and the Department of Homeland Security’s Cybersecurity and Infrastructure Security Agency (CISA) has been asked to monitor any potential cyber‑criminal activity linked to the suspect.

A recent press release from the BPD, dated March 23, 2024, emphasized that the suspect was considered “dangerous” and that law‑enforcement officers are on high alert. “We are actively pursuing all leads, including a possible connection to a series of burglaries in the Brookline area last month,” the release read. The BPD also urged residents to report any suspicious activity and to share any information that might assist the search.

Background on Dr. Hayes

The linked article “MIT Professor Dr. Samuel G. Hayes, a pioneer in quantum computing, shot to death at his Brookline home” provides context on the victim’s life and career. Dr. Hayes, a Harvard‑educated computer scientist, had authored more than 70 peer‑reviewed publications and was a leading figure in the development of error‑correction algorithms for quantum processors. He was also a beloved mentor, frequently speaking at local high‑school robotics clubs.

In an email released to the MIT community, Dr. Hayes’s wife, Emily Hayes, expressed her shock and grief: “We were stunned. Samuel had always been the most gentle and supportive person. He never imagined someone would take his life like this.” She also requested privacy for the family during the investigation.

The MIT Community’s Response

MIT’s Vice President for Academic Affairs, Dr. Alison B. Kim, convened an emergency faculty meeting to address campus safety and the impact of the loss on students and staff. “Dr. Hayes was not just a scholar; he was a cornerstone of our community,” Kim said. “We are working closely with the police and local authorities to ensure that such a tragedy does not happen again.”

MIT also announced the creation of a temporary memorial on campus, including a plaque in Dr. Hayes’s honor. The institute has set up a counseling hotline for students and faculty affected by the incident, and the university’s security department increased patrols and installed additional cameras in the surrounding neighborhood.

Potential Motive and Connections

Investigators are probing a possible motive related to a dispute between Dr. Hayes and the suspect. According to a police statement, Dr. Hayes had recently denied a request by Thompson to continue a collaborative research project due to concerns over intellectual property. Some staff members claim that the altercation escalated to the point where Thompson threatened violence, although no formal complaints had been filed.

Additionally, a link to a news article on the MIT Office of Security’s website reveals that Dr. Hayes had been the target of two prior harassment incidents in 2022, both involving threatening emails that were reported to campus security. These incidents have yet to be linked directly to Thompson, but investigators are following all leads.

Legal and Law‑Enforcement Developments

As of the latest update from April 4, 2024, the suspect has not yet been apprehended. BPD spokesperson Lydia Torres reported that the search has expanded to include all major highways in the Boston metropolitan area, and a search warrant has been issued for the suspect’s last known residence in Somerville. The suspect is charged with “first‑degree murder” and “possession of a weapon during the commission of a felony” once located.

The Massachusetts Attorney General’s office has authorized the use of emergency detainment powers, and the state’s Department of Corrections has been alerted to the potential for the suspect to evade local law‑enforcement. The FBI’s involvement underscores the potential for federal charges if the suspect had used interstate transportation to flee.

Looking Forward

The manhunt remains ongoing, with daily briefings scheduled by the BPD. The MIT community has called for additional support and resources to ensure campus safety. If the suspect is found, the authorities anticipate a high‑profile trial that could shed light on broader issues of violence in academia and the importance of mental‑health resources for researchers.

The search for the suspect in the fatal shooting of Dr. Samuel G. Hayes is a stark reminder of the vulnerabilities that can exist even within the safest academic environments. As Massachusetts police, federal agencies, and the MIT community work together, the hope is that the suspect will be located, the perpetrator held accountable, and a tragic chapter of the institution closed.