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- Season 2 Death of Marilyn Monroe
- Season 2 Roswell: Flying Saucers Over America
- Season 2 Salem Witch Trials
- Season 2 JFK: The Conspiracy Myths
- Season 2 The Saint Valentine's Day Massacre
- Season 2 Aztec Temple of Blood
- Season 2 Myths of Pearl Harbor
- Season 2 The Plots to Kill Lincoln
- Season 2 Nostradamus
- Season 2 The Great Chicago Fire
- Season 2 Jack the Ripper
- Season 2 Killing Hitler
- Season 2 Robert F. Kennedy Assassination
- Season 2 Hunting Nazis
- Season 2 The Trojan Horse
- Season 2 Suicide Bombers
- Season 2 Ninjas
- Season 2 Flight KAL-007
- Season 2 In Search of D.B. Cooper
- Season 2 Butch and Sundance
- Season 2 The Bermuda Triangle
Unsolved History - Season 2 Episode 5 The Saint Valentine's Day Massacre
5.00 60 minutes On February 14, 1929, four men armed with submachine guns cut down seven mobsters in Chicago. Ironically, this famous mob event spawned the Chicago crime lab, introducing ballistics, polygraph, chemical analysis and forensic pathology to police work.
