H. R. Haldeman, President Nixon's chief of staff, claimed in his book, The Ends of Power: "After Kennedy was killed, the CIA launched a fantastic cover-up. The CIA literally erased any connection between Kennedy's assassination and the CIA... in fact, Counter intelligence Chief James Angleton of the CIA called Bill Sullivan of the FBI and rehearsed the questions and answers they would give to the Warren Commission investigators." I have already written about Angleton's role in removing Mary Pin