the airport up there. so it's a -- you can have operators with not a lot of training who for example can be radicalized and one of the things we're looking for now is whether or not there's going to be some typed of a jihad tape or prerecorded tape by bin laden that's been released by supporters as a signal to unleash terror, so that's something that as senator lieberman said, he's chairman of the lowlyland security committee, so he knows what he speaks of and it's arary for real vigilance now. alisyn: maybe there doesn't have to be a tape released, maybe his death was a trigtory start some sort of train reaction. >> exactly. alisyn: how can the u.s. ever protect against the lone wolf attack? >> it's really hard because we're an open society and it's a real testament to our law enforcement and security services that in -- and also our intelligence services that we have not been hit in a big way right after 9/11, in close to ten years now. but if you look at different instances, all it takes is a