Alleged Brown Shooter Believed to Have Killed Mit Professor in Brookline

Key Highlights

  • The alleged shooter in the Brown University shooting is believed to have killed an MIT professor in Brookline.
  • The suspect, 48-year-old Claudio Manuel Neves Valente, was found dead with a self-inflicted gunshot wound in New Hampshire.
  • Security footage and financial investigations linked Neves Valente to the Brown shooting site.
  • Nuno F.G. Loureiro, an MIT nuclear science professor, was fatally shot at his home in Brookline two days after the Brown University incident.

Mass Shooting Suspect Found Dead in New Hampshire

The tragic events unfolded over a span of just three days, leaving communities in Rhode Island and Massachusetts reeling. On December 18, 2025, authorities announced that the alleged shooter responsible for the mass shooting at Brown University was found deceased in New Hampshire with an apparent self-inflicted gunshot wound.

The suspect, Claudio Manuel Neves Valente, is believed to have been involved in both the mass shooting at Brown University and the killing of Nuno F.G. Loureiro, a renowned MIT professor from Brookline. This revelation comes as news outlets and investigators scramble for answers and closure.

Links Between Incidents Confirmed

According to U.S. Attorney for Massachusetts Leah Foley, Neves Valente is believed to have attended the same Portuguese university in Lisbon as Loureiro. This connection raises questions about their relationship and possible motives behind the killings.

“Investigators identified the vehicle that he had rented in Boston and then drove to Rhode Island,” Foley stated during a press conference. “The vehicle was seen outside of Brown, and there was security footage that showed a person who resembled him.”

Foley also mentioned financial investigations linking Neves Valente to the car and hotels he stayed at before and after the incidents.

Brookline Professor’s Death

The second incident in this series of tragic events occurred on Monday, December 16, 2025. Nuno F.G. Loureiro, a well-known nuclear science professor at MIT who joined the institution in 2016, was fatally shot at his home in Brookline.

Loureiro’s death came just two days after the shooting at Brown University, leaving many to wonder about the connection between these events. “There was security footage that captured him within a half-mile of the professor’s residence in Brookline,” Foley said. “And there is video footage of him entering an apartment building in the location of the professor’s apartment, and then later that evening, he is seen about an hour later entering the storage unit wearing the same clothes that he had been seen wearing right after the murder.”

FBI Special Agent in Charge Ted Docks confirmed that Neves Valente was believed to have attended the same Portuguese university as Loureiro. This information adds another layer of complexity to the investigation.

Community Impact and Ongoing Investigation

The deaths of Ella Cook, Mukhammed Aziz Umurzokov, and Nuno F.G. Loureiro have sent shockwaves through their respective communities. Local authorities in Brookline issued a statement seeking to quell rumors and fears that had spread throughout the neighborhood.

“There was nothing at this stage of the investigation linking the two shootings,” said Brown University President Christina Paxson during a press conference earlier this week. “But as more evidence comes to light, we will continue to work with law enforcement to bring justice for all victims.”

The ongoing investigation is now focused on understanding the full scope and motive behind these tragic events, with families and friends of the deceased offering their support and condolences.