HDSI - Who Killed Jimmy Hoffa?
Notorious teamster boss Jimmy Hoffa disappeared without a trace in 1975. Was he murdered?
HDSI - Texas Servant Girl Murders
Before Jack the Ripper, a serial killer walked the streets of Austin, Texas.
HDSI - The Disappearance of Glenn Miller
In 1944, bandleader Glenn Miller boarded a plane for Paris and was never seen again.
HDSI - Civil War Sabotage?
The steamship Sultana exploded without warning one night in 1865, killing 1,800 people.
3-D Cuban Missile Crisis
Investigating a projection screen with possible Cuban Missile Crisis connections.
Mysteries from the Wild West
The History Detectives investigate four stories from the American West.
Bill of Sale, Cobb Powder Horn and the Star Spangled Banner
Eduardo investigates the story behind a Bill of Sale for a 17-year old “negro girl".