Jimmy Hoffa regarded his efforts to regain power within the Teamsters as a threat to their control of the union's pension fund. The FBI has called the report the definitive account of what agents believe happened to Hoffa. In the book "The Iceman: Confessions of a Mafia Contract Killer", Richard Kuklinski claimed to know the fate of Hoffa: his body was placed in a 50-gallon drum and set on fire for "a half hour or so," then the drum was welded shut and buried in a junkyard. Later, according to Kuklinski, an accomplice started to talk to federal authorities and there was
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