Video: Season 11
HDSI - Who Killed Jimmy Hoffa?
Notorious teamster boss Jimmy Hoffa disappeared without a trace in 1975. Was he murdered?
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Explore More Video: Full Episodes
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HDSI - Civil War Sabotage?
The steamship Sultana exploded without warning one night in 1865, killing 1,800 people.
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HDSI - The Disappearance of Glenn Miller
In 1944, bandleader Glenn Miller boarded a plane for Paris and was never seen again.
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HDSI - Texas Servant Girl Murders
Before Jack the Ripper, a serial killer walked the streets of Austin, Texas.
Explore More Video: Web Exclusives
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Deleted Scene: Swing Kids in Hamburg
London professor Les Back tells Tukufu about WWII-era Germany's underground jazz scene.
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History Detectives Special Investigations Preview
The detectives are back solving the biggest mysteries in American history!
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Deleted Scene: Wartime Contradictions
London professor Les Back tells Tukufu about segregation of black soldiers during WW II.