Law enforcement officials have identified a possible suspect in connection with the mass shooting at Brown University and have issued an arrest warrant for the individual, multiple sources told ABC News.
This comes after multiple sources briefed on the investigation told ABC News that the shooting of Brown and the murder of an MIT professor in Brookline, Massachusetts, may be related.
An FBI evidence response team searches the grounds outside the site of the Brown University shooting, as the search for the gunman continues, in Providence, Rhode Island, on December 15, 2025.
Brian Snyder/Reuters
Information about a possible connection between the two incidents developed over the past 24 hours as detectives working on both cases compared notes, sources said.
On Saturday afternoon, two Brown students were killed and nine others were injured in a mass shooting in Rhode Island. campus. The gunman fled the scene and has not been publicly identified.
The United States flag flies at half-staff to mourn the victims of Saturday’s shooting on the campus of Brown University on December 15, 2025, in Providence, Rhode Island.
Robert F. Bukaty/AP
On Monday night, MIT professor Nuno FG Loureiro was found shot in his home in the exclusive Boston suburb of Brookline, authorities said. Loureiro, 47, died Tuesday in the hospital.
Nuno FG Loureiro, a professor at the Massachusetts Institute of Technology, has been identified as the man who was shot and killed in a Brookline home on December 15, 2025.
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tTheirs is a story in the making. Please check back for updates.
ABC News’ Katherine Faulders contributed to this report.
