Killed Litvinenko News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Russia when he was poisoned in london that made headlines around the world. A lethal toxin in a Cup Of Tea. Why was he killed . To unravel the mystery, we followed the tale of a dark conspiracy. Are you frightened for your life . Meet and confront the prime suspect. And now, is the danger coming closer . Were the men in the bushes . People say it will never happen here. I know what can happen here because it happened to my husband. Hello, and welcome to dateline. Former russian Agent Alexander Litvinenko was a vocal critic of the russian government. In his world, access to information could ma...

>> 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 becau...

>> reporter: but they could have done a better job not spreading it all over the place if they knew. >> they also might say no, there's no way i'm going to do that. >> reporter: i don't want to handle that radioactive material? >> i am not going to kill myself in the process. >> reporter: to get closer to the truth about who killed litvinenko, we had to talk to the suspects themselves, andrei lugovoi and dmitri kovtun. in kovtun's case, it wasn't easy. a few weeks after litvinenko died of polonium poisoning, kovtun was hospitalized and lost all his hair. he hasn't been seen publicly since 2012...

On the second day of our trip he called and said he was ready to talk. coming up -- at last we lay eyes on one of the men believed to have killed litvinenko. now we ask the question the world wants answered. >> did you put polonium in the tea? >> when dateline the real blacklist continues. ♪ me to the moon (elegant music) ♪ and let me play (bell rings)