Secret FBI tapes that accuse Martin Luther King Jr of having extramarital affairs with '40 to 45 women' and even claim he 'looked on and laughed' as a pastor friend raped a parishioner, exist an author has claimed. The civil rights hero was also heard allegedly joking he was the founder of the 'International Association for the Advancement of P***y-Eaters'. The shocking files could lead to a 'painful historical reckoning' for the man who is celebrated across the world for his campaign against racial injustice, according to one biographer. The FBI surveillance tapes detailing his indiscretions are being held in...