Tipster hailed for helping authorities identify suspect in Brown shooting

Man known as John' expected to be eligible for $50,000 reward from FBI for providing details on the suspect

The authorities dealing with the mass shooting at Brown University hailed on Friday a member of the public who came forward with information that helped crack the case and lead to the suspect.

A man known publicly so far only as John" posted key information on the Reddit platform about an encounter with the suspect that caught the attention of investigators, while Reddit users urged him to go to the police with his tips.