again but you point out after the bataclan a number of suspects guide there that might but there were arrests weeks afterwards. >> yes there were. and you are talking about the schengen visa free border system in europe here. this person could have gone to poland, to austria. we don't know. and 24 hours is a long time to quit a city like berlin. and if all of the focus was on this one suspect. who for all intents and purposes looks like he didn't do it, you let him go. that's taken your eye off everybody else. we don't know. there is a misconception about the lone wolf and self radical -- actually a lot at first blush look like lone wolf attacks actually thai do have a link back toon isis cell or isis