didn't give us a lot in order to go after tamerlan tsarnaev. so we've got to be careful in working with them. >> i would say this, there's a long history going back almost 20 years of westerners going to chechnya, getting radicalized, coming back and then becoming terrorists in the west. so it is a little bit like travel to pakistan. you do have to watch that. >> there was at least, was there not, at some point an al qaeda element in chechnya? >> yeah. and chechen have gone to fight in afghanistan. it is a part of the world where you do have to watch travel flow. >> however, i've also been told as the chechen-al qaeda tie that it's more about the tactics than any commonality of purpose. >> the chechen have been rebellious for several years. they've primarily focused on their own wish for independent state. the united states has never supported that.