The Providence mayor wants the Reddit tipster to get a $50,000 FBI reward. It might not be so simple

His detailed tip helped lead investigators to the gunman behind the deadly Brown University shooting – but whether the tipster known only as “John” will ever receive the $50,000 reward offered by the FBI is still an open question.

​ His detailed tip helped lead investigators to the gunman behind the deadly Brown University shooting – but whether the tipster known only as “John” will ever receive the $50,000 reward offered by the FBI is still an open question. Read More Breaking News, Latest News and Videos | CNN