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 ...

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.

Few missing persons’ cases have garnered as much intrigue and attention as the case of Jimmy Hoffa. Although he disappeared over 40 years ago, investigators both professional and amateur alike remain ...

Jimmy Hoffa's body has never been found, and more than one person has confessed to his murder Jessica Sager is a contributing writer at PEOPLE. She has been working at PEOPLE since 2023. Her work has ...