MSNBCW MSNBC Live With Thomas Roberts March 2, 2015
that these are related to isis terror groups and how can law enforcement respond? >> reporter: it's hard to know from information that i have how credible they are. they have apparently come from accounts that have been used by isis or isis supporters in the past, whether isis is in the position to make good on these threats is unclear but what we've seen since isis began, isis taking social media very seriously. it's become the main tool that the group uses to bring in recruits to december sem nature its videos and what we haven't seen as much very quickly after isis puts out these ...