How a Reddit post broke open the Brown University shooter case

A Reddit post played a key role in helping police identify the suspected Brown University shooter Claudio Neves Valente. A rental car, first flagged in the Reddit post, helped police identify the possible assailant. The poster also told police about his eerie confrontation with the suspect.

​ A Reddit post played a key role in helping police identify the suspected Brown University shooter Claudio Neves Valente. A rental car, first flagged in the Reddit post, helped police identify the possible assailant. The poster also told police about his eerie confrontation with the suspect. Read More Breaking News, Latest News and Videos | CNN