The story of Russian emigre and former agent Alexander Litvinenko s death by radiation poisoning in a London hospital captured headlines around the globe. It quickly became known as one of the most mysterious and audacious crimes of the post-Cold War era, and triggered an international investigation led by London s top counterterrorism officials. Blending the pace of a thriller with original reportage and research, The Terminal Spy documents Litvinenko s life and death, the ensuing police investigation, the reaction from Vladimir Putin and others in Moscow, the Russian emigre set in London, and the implications of this case for nuclear proliferation and international terrorism in the future.