they didn't brooch any department defense system. they went out on facebook twitter, other things and were able from all of that public information that's available out in the internet pull that down to come to the conclusion and identify these 100 individual with addresses. the dangerous part of this is again, we are a social media society, everything goes up on there. that's why the military councils often about not putting personal information on there. people still do. they were able find it. the concern is have they inspired someone here in the united states to try to act on this information? i think that's what the fbi's challenge is in the days and months ahead. >> but the fact is we live in a particularly digital area. if you take social media out of the equation there is so much information available about you and i online it was in on zillow or public records. so it's not so much the habits of the social media profile that is a concern here.