bransy of our society. here you've dwot got a guy like this who goes back and tries to join up, let's say. they say, here's an opportunity. we've got a guy with a u.s. passport. we can use him. we don't have to trust him. we don't have to give him the secrets of the temple. but let's send him back. >> i think in the past al qaeda and like minded organizations have done talk down talent spotting. finding people, bringing them in, training them and sending them on. >> deep imbedding. >> deep imbedding. 9/11 is a perfect example of that. then the evolution for the london bombings 7-7 where it was a little bit of bottom up working with al qaeda and then working with others. this might be pure bottom up where he decided to go there, radicalize for a variety of reasons and then was given the training. i think the training question is fascinating. we're all asking ourselves, why was he trained so poorly? why was his trade craft so bad? if he was trained by the real infrastructure, they know how to build bombs that work. it's one of two things here. either shahzad was really bad