After a nearly weeklong manhunt that left the nation on edge, police have identified the shooting suspect who killed two Brown University students and an MIT professor. Authorities were able to follow his trail - thanks to the help of a homeless hero who provided them with key information- which led them to a storage facility in Salem,

The still-unsolved shooting death​ of MIT professor Nuno Loureiro​ this week has sent shockwaves through the campus.

Four of nine victims from the mass shooting on Brown University campus have been discharged from the hospital. The other five remain hospitalized and in stable condition with gunshot injuries as of 11 a.