concerning. look. the fbi, i don't know it's fair to say they identified everybody in this ring. deb was saying that they had. they certainly identified the immediate ring through the informant but they took this down not because they identified the complete word but the guy at the airport ready to get on the plane and if they didn't arrest him then they wouldn't have had that option so they took it down because they had to. it's not clear to me that they actually had identified the entire network. >> so you think that a group like isis actually prefers that people like these guys would actually stay in the united states? they're actually more valuable to them here? >> i think it's certainly something we need to look at. that's one of the things they look at. those inspired those are looking to cause harm here. should they go back over to syria or back to the middle east, they can inspire others. they're going to be trained. we may lose visibility on them. they come back through europe or