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 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