Jimmy Hoffa He accused senior Nixon Administration figures, including Attorney General John N. Mitchell and White House Special Counsel Charles Colson, of depriving him of his rights by imposing this condition; Mitchell and Colson both denied this. It was probably imposed upon Hoffa as the result of requests from the Teamsters' leadership, although Fitzsimmons also denied this. Hoffa sued to invalidate the non-participation restriction in order to reassert his power over the Teamsters. John Dean, former White House counsel to President Nixon, was among those called upon for depositions in 1974 court proceedings. Dean, who had become famous as a government witness
Jimmy Hoffa found when Giants Stadium was demolished in 2010. In the book, "I Heard You Paint Houses: Frank "The Irishman" Sheeran and the Closing of the Case on Jimmy Hoffa" (2004), author Charles Brandt claims that Frank Sheeran, a professional killer for the mob and longtime friend of Hoffa's, confessed to assassinating him. According to Brandt, O'Brien drove Sheeran, Hoffa, and fellow mobster Sal Briguglio to a house in Detroit. He claimed that while O'Brien and Briguglio drove off, Sheeran and Hoffa went into the house, where Sheeran claims that he shot Hoffa twice behind the right ear. Sheeran says that