stronghold of mosul , the photographs show four men being interviewed by the terrorists before they are dragged before bloodthirsty crowds eager to see their executions .
the savage punishment is a significantly more extreme than isis ' usual punishment for theft - which typically sees the accused having their right hand hacked-off by machete-wielding jihadis who pump the men full of drugs to numb the limb before severing it from the victim 's body .
sentenced to beheading : one of the four men wear their beards without moustaches in a style commonly associated with islamist beliefs and their military-style clothing suggests the victims may well have been fighters themselves .