Anyone with a passing interest in the assassination of John F Kennedy knows about the Zapruder film, the silent 8mm sequence shot by Abraham Zapruder as the president’s car drove through Dallas on a fateful day in November 1963. For almost 60 years it has been picked over by experts and conspiracy theorists alike in the hunt for who really killed JFK.
Over four days in a stuffy room on Fleet Street in March, almost as much forensic scrutiny was applied to another grainy video. As Michael Vaughan sat watching the two minutes and 29 seconds of Sky Sports footage, spliced and diced, disputed and fought over, he knew that his reputation and career was on the line.