The explosive, untold story of how Russia mastered the art and science of targeted assassination‘A real life thriller, packed with characters that even John le Carré couldn't dream of. If this doesn't scare you, then you're not paying attention.’ Oliver BulloughThey thought they had found a safe haven in the green hills of England. They were wrong. One by one, the Russian oligarchs, dissidents, and gangsters who fled to Britain after Vladimir Putin came to power dropped dead in...