you could not find the particular mechanisms of this bomb in the al-qaeda inspire on-line magazine where they claim they got all the information. so the question is, and how do we get this information? how did they get the details to build this bomb and did they actually have person to person bomb training and with whom? >> well, i would assume that tamerlan, when he went to russia, he got that bomb training. he certainly in his own experts, have told everybody on the news he didn't go there for six months and watch tv. he was going there for a specific reason. he was radicalized. he vocalized. he got kicked out of his mosque. he was seeking some kind of training recognition. he wanted to join and be a bigger part of jihad. you know, i can't understand why when you really -- you falter with the information in 2011 and then you have a suspect that is