The Disappearance of Jimmy Hoffa

The controversial American union leader, Jimmy Hoffa, was last seen alive on July 30 1975. He is believed to have been killed by the Mafia. The search for his body continues to this day. Listen to one of the FBI agents involved in the original investigations.

Photo: Jimmy Hoffa testifying at a hearing into labour rackets, 1958 (Keystone/Getty Images)