Depraved militants are now attaching HD cameras to their gun barrels . this allows them to detail their savage murders in gruesome detail . Unorthodox view makes terrorists ' murder films look like video games . Execution of several Iraqi deaths was filmed on the ISIS gun barrels . Men were brutally shot in the back of the head from point - blank range . WARNING # ##S .
Depraved militants are now attaching HD cameras to their gun barrels . Equipment allows them to film their savage murders in gruesome detail . Unorthodox view makes terrorists ' murder films look like video games . Execution of several Iraqi prisoners was filmed on the ISIS gun cameras . Men were brutally shot in the back of the head from point-blank range . WARNING GRAPHIC CONTENT .