. >> waives, strays, va vag vagabe they still that same group of people who are seeking something? >> well, they're seeking something. now their motivations are very disparate. like joining any high commitment organization. their purposes are very different. not unlike joining the army or the marines. some people join because they really really believe in the mission, others are running away, some honestly just want to do something that shock their parents. there are some for whom if siel didn't exist they would join some sex cult in california. however there are others that are very dedicated. >> a lot has been made about social media, but this isn't particular revolutionary and largely modeled on other extremist methods and contaminate ticks. how is it they are striking a nerve where others haven't been able to do it in the past? >> i really think it is the immediacy, you can pick up and join afternoon active movement that's happening in iraq and syria. can you pick up and go to it. we haven't seen something like that since the '30s when you could join the spanish civil war. you