scenario, whatever he did was pretty poor trade craft. this investigation will move quickly. one individual, think of concentric circles that will appear beyond him. who else was involved? was it a broader conspiracy? here in the united states or people in pakistan. we'll get a lot of information in the next 48 hours that will be very significant. >> when you talk about this notion whether he was inspired or directed, if, in fact, he was directed, do you spent at this point he might have been part of a local terror cell, or knowing he just returned from having spent several months in pakistan, do you think there are international links here. >> either scenario is possible. the government has a series of phone calls to pakistan. pakistani authorities will run the traps locally. we'll do the same thing trying to build a broader picture, additional pieces of the puzzle to find out who else he might have been w the good news here, among other things, he's in custody. he will talk. he will talk a lot, and it's going to be very quickly.