On a warm autumnal morning last month, three men lounging outside a mosque in Istanbul were chopped down with military precision by a burst of automatic fire.
The gunman took the time to make sure none of his targets had survived, firing a bullet at point blank range into the head of each victim as they lay sprawled on the ground.
The three dead men – Rustam Altemirov, Zaurbek Amriyev and Berg-Khakh Musayev – were all Chechens. A Russian arrest warrant had been issued for Amriyev in connection with the January 2011 bombing of Moscow airport, which claimed 35 lives. SEE THE REST OF THIS POST