It started as a possible case of food poisoning but within weeks turned into a grim spectacle of enormous political proportions: Aleksander Litvinenko, former member of the Russian secret service, died in his place of residence London last November, after having been poisoned with a radioactive substance. The search for the possible perpetrators lead to a political difficult situation that reminded us of the dark days of the Cold War. Three years ago Aleksander Litvinenko told his life story to documentary maker Jos De Putter. It is a wild tale full of conspiracies, assassination attempts and imputations. Litvinenko talks about his time with the secret service, about his experience in Chechnya, and in particular about the series of bomb attacks on Russian territory that led to the seizure of power by Vladimir Putin. According to Litvinenko those attacks were the work of the secret service. After Litvinenko's funeral in December 2006, Backlight spoke to Litvinenko's widow. Marina...