that takes a few days to get those records from the phone providers, internet service providers. it's going to take a few days to see just how much connection they actually had to it. in terms of isis deploying them i think the fact that it was such a feeble attack would be a pretty good indicator they had no really serious training or assistance in trying to pull this off. >> right. so david, on one side this was a failed attack. so it's not a feather in the cap of isis yet on the other hand this would be the first isis attack on u.s. soil. >> or at least the first attack that isis has specifically claimed. there are at least two other attacks where the attackers seemed to have been at least in part inspired by isis. one of them was the axe attack that occurred in new york city just after the two back-to-back days in canada in which canadian military personnel were attacked. and the attacker there was a convert to islam who clearly had sympathies for isis shown by social media postings. the other attack in which isis