Cold Case Investigations

First Tuesday

Calling all Las Vegas amateur detectives! Come watch a short video and then discuss and debate the facts of the case in an attempt to determine the killer(s).

May 5 Jimmy Hoffa

JIMMY HOFFA DISAPPEARANCE: KEY FACTS

Subject: James Riddle "Jimmy" Hoffa (born February 14, 1913), influential president of the International Brotherhood of Teamsters (1957–1971). Convicted in 1967 on jury tampering, fraud, and conspiracy charges; served prison time until President Nixon commuted his sentence in December 1971, barring him from union activities until 1980. Hoffa sought to regain Teamsters control in 1975, threatening organized crime's influence over the union's pension fund.

 July 30, 1975, Bloomfield Township (near Detroit), Michigan. Hoffa, age 62, was last seen in the parking lot of the Machus Red Fox restaurant around 2:45–2:50 p.m.

Timeline:

- 1:00 p.m.: Left home in Lake Orion, Michigan.

- 2:00 p.m.: Arrived at restaurant for a scheduled meeting with Anthony "Tony Jack" Giacalone (Detroit mob figure) and Anthony "Tony Pro" Provenzano (New Jersey Teamsters official and Genovese crime family member). Both later denied the meeting.

- 2:15 p.m.: Called wife Josephine from a payphone, complaining he was stood up and would be home by 4:00 p.m.

- Hoffa was observed pacing the lot; one witness reported seeing him enter the back of a maroon car with three men. He was never seen or heard from again.

Physical Evidence:

- Hoffa’s unlocked green Pontiac Grand Ville found in the restaurant parking lot the next morning.

- A 1975 Mercury Marquis (linked to Giacalone’s family, borrowed by Teamsters associate Charles "Chuckie" O’Brien) contained a strand of hair matching Hoffa’s DNA (confirmed 2001) and O’Brien’s fingerprints on a 7-Up bottle. Police dogs detected Hoffa’s scent in the vehicle. No blood or definitive murder weapon recovered.

Investigation and Status:

- FBI launched a major probe ("Hoffex"). No body, no crime scene, no charges ever filed.

- Declared legally dead on July 30, 1982 (seven years later) by Oakland County probate court.

- Case remains officially open with the FBI Detroit Field Office as of 2026. The Bureau continues to seek credible tips; a brief reopening effort was noted in late 2025.

Prevailing Theory: Mafia-orchestrated hit. Hoffa’s return threatened mob control of the Teamsters. He was likely lured, abducted, and murdered by or on orders from organized crime associates. Multiple searches for remains (including landfills and properties) have yielded nothing conclusive. Wild theories persist, but forensic and informant evidence points to a professional disappearance.

No one has been prosecuted. After 50+ years, the case stands as one of America’s most famous unsolved mysteries—strong circumstantial links, but no smoking gun or body to close it.

Jan 6 Benjamin "Bugsy" Siegel

Feb 3 Pope John Paul I

Mar 3 Hinterkaifeck Murders

Apr 7 Princess Diana

May 5 Jimmy Hoffa

Jun 2 Natalie Wood

Jul 7 Sonny Liston

Aug 4 Alexander the Great

Sep 1 Marilyn Monroe

Oct 6 Edgar Allan Poe

Nov 3 Pharaoh Ramesses III

Dec 1 Sodder Children Disappearance

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