Reason Snapping News Today

Rick good to have you with us. its important to point out that look there are no ties at this point to isis according to investigators. no reason to believe he may have been inspired by a group like that. but theres a narrative playing out here again that we have seen before. someone that friends remember as well-adjusted citizen, that all of a sudden for some reason snapping. how troubling is that trend to officials? >> this highlights the difficulty we have in detecting and stopping these lone...