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 a case for his union leadership skills being of more value to the nation, by keeping freight running smoothly to assist the war effort. At the 1952 IBT convention in Los Angeles, Hoffa was selected as national vice-president by incoming president Dave Beck, successor to Daniel J. Tobin, who had been president since 1907. Hoffa had quelled an internal revolt against Tobin by securing Central States regional support for Beck at the convention. In exchange, Beck made Hoffa a vice-president. The IBT moved its headquarters from Indianapolis to Washington, D.C., taking over a large office building in the capital in