DETROIT, Michigan (WWJ) — Wednesday marks 50 years since the former labor union leader Jimmy Hoffa was last seen alive in Metro Detroit, and his whereabouts have yet to be resolved. James Riddle ...

The FBI is asking the public for tips on the fate of the late Teamsters leader and known mob associate Jimmy Hoffa, whose disappearance has long remained a mystery. On Thursday, one day after the 50th ...

Jimmy Hoffa's disappearance in 1975 is one of the biggest unsolved mysteries in American history, and authorities say it's unlikely that any definitive answers will emerge nearly five decades later.

His full name is James Riddle Hoffa. But everyone knew him as Jimmy. A labor leader who thrived in the rough and tumble world of union organizing, of contracts, and picket lines ... and of standing up ...

In this photo from August 1958, American labor leader Jimmy Hoffa, president of the Teamsters union, testifies at a hearing investigating labor rackets. Hoffa disappeared in 1975, and no body has ever ...