History of union busting in the United States Dave Beck, President of the Teamster's Union in that era, worked closely with Nate Shefferman on many deals not the least of which may have been his influence at Sears to discourage employees from joining the AFL Retail Clerks union which was trying to raid the Teamsters membership to join them instead. An indicator of the close relationship between the Teamster's President David Beck and Shefferman (excerpted from the article): "Beck dispatched Shefferman to Jim Hoffa last year (1956) to offer Hoffa the union's presidency if Hoffa would first help re-elect Beck and then wait 6 months for Beck to
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,