Mancusi v. DeForte devoted much of their attention to the International Brotherhood of Teamsters (IBT), where Jimmy Hoffa had been allegedly working with organized crime figures to unseat Dave Beck as union head. It feared that if Hoffa led the Teamsters, the union would have enough power to disrupt the U.S. economy. The committee had focused on some of the paper locals Hoffa had purportedly created to stack votes in his favor during the leadership election. The officers of one, Local 266 in Manhattan, were nominally attempting to organize juke box and coin-operated game servicemen in the New York metropolitan area. District attorneys
Jimmy Hoffa 1975. Police and Hoffa's family had long believed O'Brien played a role in Hoffa's disappearance. O'Brien, however, had previously denied ever being involved in Hoffa's disappearance or that Hoffa had ever been a passenger in his car. In a first-season episode of the Discovery Channel show "MythBusters", titled "The Hunt for Hoffa", the locations in Giants Stadium where Hoffa was rumored to be buried were scanned with a ground penetrating radar to see if any disturbances were present that would indicate a human body had been buried there. They found no trace of any human remains. No human remains were