Latest sickening ISIS video shows masked gunmen Shooting 'spy' at point blank range

The video was filmed in Aleppo and shows a man believed to be named Ahmed Muhammad (top left) being led out to a forecourt by masked executioners (bottom left), who then shoot him in the head multiple times (right).

 In a chilling sign of ISIS' reach and influence, Muhammad is understood to have been accused of working as part of a secret spy network based in neighbouring NATO member state Turkey before his brutal filmed execution over the border in Syria.