Jimmy Hoffa 1961, Hoffa's second term as Teamsters' president. Anthony Provenzano, once a friend of Hoffa but now an enemy, threatened to kidnap and hurt Hoffa's granddaughter. Hoffa called Provenzano "crazy". In 1973 and 1974, Hoffa talked to him to ask for help in supporting him for his return to power. Provenzano refused to listen and threatened Hoffa by saying he would pull out his guts and kidnap his granddaughters. Hoffa could not afford to take these threats lightly: at least two of Provenzano's political opponents were believed to have been murdered. Others who had spoken out against him had been physically
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,