Jimmy Hoffa in prosecutions arising from the Watergate scandal by mid-1973, had drafted the non-participation clause in 1971 at Nixon's request. Hoffa ultimately lost his court battle, since the court ruled that Nixon had acted within his powers by imposing the restriction, as it was based on Hoffa's misconduct while serving as a Teamsters' official. Hoffa faced immense resistance to his re-establishment of power from many corners and had lost much of his earlier support, even in the Detroit area. As a result, he intended to begin his comeback at the local level with Local 299 in Detroit, where he retained some
Jimmy Hoffa caused by the 1975 disappearance of her husband, because her health had declined steadily since then. She is entombed in Michigan. In 1989, Kenneth Walton, the head of the FBI's Detroit office, told "The Detroit News" that he knew what happened to Hoffa. "I'm comfortable I know who did it, but it's never going to be prosecuted because ... we would have to divulge informants, confidential sources." In 2001, the FBI matched DNA from Hoffa's hair—taken from a brush—with a strand of hair found in a 1975 Mercury Marquis Brougham driven by longtime friend Charles "Chuckie" O'Brien on July 30,