when they interrogate the suspect the one on the ground of the champs-elysees, that is the key. what they have to do is connect that person's relationships. they are going to have to look at his social media, his travel and what we are seeing here, potentially, is the kind of offensive that isis has warned of as the american coalition forces are closing in on raqqah, the capital of isis. we know we are going to see more and more of these kinds of attacks and i think the types of things we have seen in france and prior to the current situation in britain, the other attacks in britain. that shows isis is on the move. they are basically inspiring their people to do sole source attacks, single attacks or small group attacks. that's the kind of thing that is more dangerous because you don't know where and when these kind of attacks are going to take