let's bring in bob baer who is a former cia operative, and also mark kimmit. partying in -- how do two men in eighth months go from partying to religious extremists, to blowing up a cafe in paris? >> you know, carol, this is the problem, trying to profile these people, even the 9/11 hijackers were out partying before. these people take a selective reading of the koran. they're in and out of jail. they're at loose ends. all of a sudden they find new believes, and they turn radical quickly, and it's influenced by neighbors, by friends, and the rest of it. they're looking for a meaning and purpose in life, and it happens to be martyrdom, and secondly, they identify with the conflicts in the middle east, the bombings and the orthodox sunn. it's a distant conflict, but all of a sudden in their minds they decide they have to contribute and do something and make something of their lives. it's a huge radical jump. it happens so often. >> general, there is no profile, though, of who exactly will be turned on by these extremists overseas. how difficult does that make it