The suspect in the Dec. 13 mass shooting on the campus of Brown University and the shooting of MIT professor Nuno Loureiro has been identified as 48-year-old Claudio Manuel Neves Valente, who was found dead by suicide inside a Salem, New Hampshire storage unit on Thursday night. A tipster who encountered Valente on a sidewalk outside Brown University and posted about it on Reddit provided crucial information that led to police identifying the suspect. CBS News' Tom Hanson breaks down what we kno

MIT professor Nuno Loureiro was killed in a shooting at his home in Brookline, Massachusetts Monday night. Loureiro, a nuclear science and engineering professor from Portugal, was 47-years-old. A Brookline police spokesperson said officers responded to a call for gunshots at an apartment on Gibbs Street at about 8:30 p.m. Loureiro was taken by ambulance to a Boston hospital, where he died Tuesday morning. Authorities say there is currently no one in custody. Stay with WBZ News as this story deve