The polonium-210 that doctors believe killed Kremlin critic and former spy Alexander Litvinenko could have come from Russia, but it will be difficult for investigators to pinpoint blame for the death even if the origin of the radioactive substance is determined, nuclear experts said Saturday. in Public bookmarkswith controverseynewsspyby 2 users
Who's who in the spy poisoning mystery - CNN.com Who's who in the spy poisoning mystery British detectives investigating the death of the former Russian spy Alexander Litvinenko are now pursuing inquiries in both London and Moscow. CNN's The Briefing Room has compiled a guide to who's who in the spy scandal. in Public bookmarkswith controverseynewsspyby 2 users