tell them of suspicious persons and electronic capability and of course then we have the other argument in a free society about civil liberties. do we want metta data being stored, nsa wire tapping international calls. all of that type of thing kicks back in. so it's very concerning. >> and we don't know because it's early. a question that's going to be addressed is was this inspired or directed? was this someone who became self radicalized, maybe found some of the recipes in effect for the bombing online? or if they had some sort of contact at home. the truth is both of those is unsettling and alarming in its own way because the self radicalized are harder to track and the directed ones means there's a line back to the organizations in syria. >> they've directed all of their followers all over the world so they don't have to micromanage each individual case or have this person saying are you