>> given what we have seen it of the apparent lack of sophistication at least in the day today life of these brothers, don't you think by looking at their cell phones and their computers we will know who they were in contact with? they will not have a secret compartment. they will have talked to people on the fall, right? >> absolutely. the rest of it, their chats, if there was a u.s. network it will come to life. they weren't sophisticated enough to hide it completely. there will be a trace of it. the problem will be what happened in dagestan. what sort of direction he had and that would be face to face. not even the russians necessarily will be able to get at that. there will always be a question. i still have my suspicions that someone said and down and showed him how to make the parts for this bomb. >> "the new york times" reported