The mass shooting at Brown University and the murder of an MIT professor in Brookline, Massachusetts, may be linked, multiple sources briefed on the investigation told ABC News.
The information about a possible connection between the two incidents was developed in the last 24 hours as detectives working on both cases compared notes, the sources said.
The 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 manhunt continues for the gunman, in Providence, Rhode Island, 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 F.G. Loureiro was found shot at his home in the upscale Boston suburb of Brookline, officials said. Loureiro, 47, died on Tuesday at the hospital.
Nuno F.G. Loureiro, a professor at the Massachusetts Institute of Technology, has been identified as the man fatally shot at a home in Brookline on Dec. 15, 2025.
MIT
This is a developing story. Please check back for updates.
ABC News’ Katherine Faulders contributed to this report.