A union activist disappears from a Detroit suburb. 45 years later, it remains one of the most notorious missing person cases of all time. The mystery of Jimmy Hoffa's disappearance features more twists and turns. In Season 3, Episode 2, "The Disappearance of Jimmy Hoffa." Watch all new episodes of History's Greatest Mysteries on Mondays at 9/8c, and stay up to date on all of your favorite The HISTORY Channel shows at history.com/schedule. #HISTORY #HistorysGreatestMysteries Find out more about the series and watch full episodes on our site: http://histv.co/HistorysGreatestMysteries Don't miss a video! Subscribe NOW: https://www.youtube.com/@HISTORY?sub_confirmation=1 ABOUT THE HISTORY CHANNEL: The HISTORY® Channel, a division of A+E Global Media, is the premier destination for historical storytelling. From best-in-class documentary events, to a signature slate of industry leading nonfiction series and premium fact-based scripted programming, The HISTORY® Channel serves as the most trustworthy source of informational entertainment in media. FOLLOW HISTORY CHANNEL: Watch Full Episodes: https://www.history.com/videos Sign Up For History Emails: https://www.history.com/emails/sign-up Browse Topical Videos: https://www.history.com/topics Facebook: https://www.facebook.com/HISTORY/ Instagram: https://instagram.com/history TikTok: https://tiktok.com/@history X: https://twitter.com/history YouTube: https://www.youtube.com/@HISTORY Copyright Notice: This video and my YouTube channel contain dialog, music, and images that are property of The HISTORY® Channel. You are authorized to share the video link and channel, and embed this video in your website or others as long as a link back to our YouTube Channel is provided. © 2025 The HISTORY® Channel When a Man VANISHES Without a Trace (S3, E2) | History's Greatest Mysteries | Full Episode https://www.youtube.com/@HISTORY/