On February 14, 1929, Chicago witnesses one of the most shocking killings in organized crime history, which becomes infamously known as the Valentine's Day Massacre. While the 1920s and 30s are rife with gang-related slayings, this particular incident stands out for its sheer brutality and the difficulty in solving it. The question remains: who orchestrated the Valentine's Day Massacre, and what were their motives?
Show
History's Greatest Mysteries
Episode
S06E03
Air Date
Feb 10, 2025
Season 6 Episodes
S06E01
Roswell
S06E02
The Franklin Expedition
S06E03
The Valentine's Day Massacre
S06E04
What is the Yeti?
S06E05
The Final Flight of Amelia Earhart
S06E06
The Death and Fortune of Pablo Escobar
S06E07
The Lost Loot of Jesse James
S06E08
The Rendlesham Forest Incident
S06E09
The Amazing Events of the Book of Exodus
S06E10
The Search for Atlantis
S06E11
The Death of Dillinger
S06E12
The Missing Riches of Genghis Khan
S06E13
The Missing Tesla Papers
S06E14
Secrets of the Copper Scroll
S06E15
The Killing of Bugsy Siegel
S06E16
Percy Fawcett and the Lost City of Z
S06E17
Secret of the Sphinx
S06E18
The Lost Pirate Treasure of Jean Lafitte
S06E19
The Secrets of Easter Island
S06E20
Lost Places of the Old Testament