The mass shooting at Brown University and the murder of an MIT professor in Brookline, Massachusetts, may be related, multiple sources briefed on the investigation told ABC News.
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.
Sources also said investigators believe they are close to identifying a suspect.
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
On Saturday afternoon, two Brown students were killed and nine others were injured in a mass shooting on campus. The gunman fled the scene and has not been identified.
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.
