Introducing Russian gangster Alexei Volkovoy. A firefight reverberates through Moscow's dark streets; shattered glass and screams echo in the air. In the lawless ways of Russia's capital city, the gunmen melt away into the night. Two men are dead--the targets not what they seem. A shadowy figure known as Volk lopes along the riverbank outside the Kremlin walls. A battle-hardened veteran of Russia's brutal war in Chechnya, he prowls Moscow's grim alleyways,...