History Unsolved: The Investigation Files
S01:E09 - Behind the Mask
FilmRise
T01:C01 - S01:E01 - Without a Trace
Find out how an entire colony, a priceless diamond, and a Navy ship vanished.
T01:C02 - S01:E02 - The Price of Fame
Probe the mysterious fates of Edgar Allan Poe, Shakespeare, and the Mona Lisa.
T01:C03 - S01:E03 - Suspicious Circumstances
Look at the puzzling deaths of a tycoon, three lighthouse keepers, and nine Soviet hikers.
T01:C04 - S01:E04 - Royal Scandals
Reopen cases of vanished princes, stolen crown jewels, and a death at court.
T01:C05 - S01:E05 - Fog of War
Track a Nazi-looted treasure, a bandleader's lost plane, and Anne Frank's betrayer.
T01:C06 - S01:E06 - Above the Law
Rethink Napoleon's cause of death and then ID bones found under a patriot's home.
T01:C07 - S01:E07 - The Ones That Got Away
Join the manhunt for Alcatraz escapees, a pirate, and a New Orleans killer.
T01:C08 - S01:E08 - Reign of Terror
Revisit the crimes of Jack the Ripper and two other notorious serial killers.
T01:C09 - S01:E09 - Behind the Mask
Peek inside the lives of Mata Hari, Kaspar Hauser, and the Man in the Iron Mask.
T01:C10 - S01:E10 - Uncharted Waters
Dive into the mystery of the HMS Terror and board the ghost ship Mary Celeste.