A group of Russian hackers called Cyber Berkut have released a video showing a staged ISIS beheading, hacked from an electronic device from one of the staff of U.S. Senator John McCain. The fake ISIS execution appears to take place inside a film studio and shows a ‘prisoner’ (played by an actor) going through the motions of being ‘executed’ in front of several video cameras. Another actor is dressed as an ISIS executioner who puts a knife to the throat of the prisoner and goes through the motions of cutting him.Recall that since August 2014, the terrorists of the Islamic...