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 assaulted. The threats from the mafia that they would get rid of Hoffa were taken very seriously; Hoffa's son is quoted as saying "Dad was pushing so hard to get back in office, I was increasingly afraid that the mob would do something about it." There had been three visits in a short time frame to Hoffa's home at Lake Orion and one trip to the Guardian Building law offices by Anthony Giacalone, an alleged kingpin in the Detroit Mafia, and his younger brother, Vito. Friendly with Provenzano and believed to be related to him, their avowed purpose in coming