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FILE – 27 SEPTEMBER 2012: Police are reportedly investigating a body under the driveway of a home in Roseville, Michigan, suspected to be the long missing Jimmy Hoffa, former head of the International Brotherhood of Teamsters who disappeared in 1975. Similar claims have prompt various theories and faulty investigations, most recently also in Michigan in 2006 and 2009. Pres. of Teamsters Union Jimmy Hoffa making phone call fr. glassed-in phone booth. (Photo by Hank Walker//Time Life Pictures/Getty Images)