he was once a kgb agent, bu turned into a local critic o russia when he was poisoned an london and made headline around the world a lethal toxin in a cup of tea it was a dirty bomb why was he killed to unravel the mystery, we follow the tail of a darke conspiracy are you threatened for your life we will meet and confront the prime suspect. did you put - in the teens and now, is the dange coming closer one man said shoe temp. an attack on the expert helping us with the story. people say this is neve going to happen here i know it can happen, here because it happened to m husband. hello, and welcome to dateline former russian agent alexander was a vocal critic of th russian government, but in his world access to informatio could make you a very rich man or a dead one. his murder set off a international investigation to discover who wanted hi silenced here s richard engel with sp games. a former russian agent, poisoned a multi millionaire found dead in
october, 2006, the month befor litvinenko was poisoned, h began receiving frightenin emails the final message arrived on the very day of his last meeting with litvinenko. and what did that message? look, there are people read to kill you. the emails amounted to a hi list the next name up - alexander as in, litvinenko scaramella says that s why h met with litvinenko in london. to tell him about the hit list to warn him. but he says litvinenko didn buy it he said, mario, don t car about that - he says it s b. s.? i think it s just a provocation. but please check on. but after what happened t litvinenko, scaramella says he takes the hit list seriously are you frightened for you life well do you have anothe question [laughs] scotland yard questione scaramella and eventuall cleared him. why? because if you re looking fo it, polonium is traceable. using specialized equipment, investigators were able to track it in people and i places once polonium 210 had bee