A tipster warned police about a Reddit post claiming to see the suspect inside a bathroom at Brown University on the day of the deadly shooting, according to an affidavit. ABC News’ Christiane Cordero breaks down how the tip cracked open the case during a days-long manhunt. #BrownUniversity #MIT #Reddit #FBI #News #ABCNews

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