role. >> with the world watching what kind of pressure do you think mr. putin will be under as russians wait for news on who is responsible for this assassination? >> well, they will go through the motions of an investigation and already he's taken some of the right steps of expressing kond lenses to the family and saying that he's going to take responsibility and get to the bottom of it, but no one can take those assurances seriously any more than we can take seriously the assurances of russia when her not invading ukraine. >> there's a report from the bbc saying there might be some investigators to believe that the suspects could be other opposition leaders in russia who wanted to make a martyr out of nemtsov to further destabilize the done re. what do you make of this theory? >> right. it reminds me of that slow began from the cold war days which is admit nothing deny everything, make counter accusations. they're denying any