upset both the mobsters and the fsb. scaramella told us that in october, 2006, the month before litvinenko was poisoned, he began receiving frightening emails. the final message arrived on the very day of his last meeting with litvinenko. and what did that message? >> look, there are people ready to kill you. >> the emails amounted to a hit list. the next name up -- >> alexander. >> as in, litvinenko. scaramella says that's why he met with litvinenko in london. to tell him about the hit list. to warn him. but he says litvinenko didn't buy it. >> he said, mario, don't care about that -- >> he says it's b.s.? >> i think it's just a provocation. but please check on. >> but after what happened to litvinenko, scaramella says he takes the hit list seriously. are you frightened for your life? >> well do you have another