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Jimmy Hoffa

Jimmy Hoffa is shown in this 1975 file photo. Hoffa, father of current Teamsters President James P. Hoffa, disappeared from the parking lot of the Machus Red Fox restaurant in Oakland County's Bloomfield Township in July 1975.

Search for Jimmy Hoffa

Federal investigators search through a suburban Detroit field in the latest search for Hoffa, who disappeared in 1975 in what law

enforcement officials believe might have been an organized crime hit.