Jimmy Hoffa Agreement. He played a major role in the growth and development of the union, which eventually became the largest (by membership) in the United States with over 2.3 million members at its peak, during his terms as its leader. Hoffa became involved with organized crime from the early years of his Teamsters work, and this connection continued until his disappearance in 1975. He was convicted of jury tampering, attempted bribery and fraud in 1964, in two separate trials. He was imprisoned in 1967 and sentenced to 13 years. In mid-1971, he resigned as president of the union as part of
Jimmy Hoffa no signs of human remains. In January 2013, reputed gangster Tony Zerilli implied that Hoffa was originally buried in a shallow grave, with the plan that his remains would later be moved to a second location. Zerilli contends that these plans were abandoned, and Hoffa's remains lay in a field in northern Oakland County, not far from the restaurant where he was last seen. Zerilli denied any responsibility for or association with Hoffa's disappearance. On June 17, 2013, the Zerilli information led to a property in Oakland Township in northern Oakland County owned by Detroit mob boss Jack Tocco. After