In this outstanding investigation, journalist Murad Batal Shishani uncovers the clandestine international network of Russian assassins dispatched by the Kremlin to liquidate Russia's enemies abroad. Turkey has become a haven for Caucasian and Central Asian Islamist fighters fleeing threats at home. The killings highlight the intrusion of criminal elements into Russian security services, as well as how Istanbul is becoming a secret international battleground, as Islamists and spies flock to the city.