Jimmy Hoffa security. The workers were displeased with this situation and tried to organize a union to better their lot. Although Hoffa was young, his bravery and approachability in this role impressed fellow workers, and he rose to a leadership position. By 1932, after defiantly refusing to work for an abusive shift foreman, who inspired Hoffa's long career of organizing workers, he left the grocery chain, in part because of his union activities. Hoffa was then invited to become an organizer with the Local 299 of the Teamsters in Detroit. The Teamsters union, founded in 1903, had 75,000 members in 1933. As
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,