Unsolved History

Season 2 Episode 5: The Saint Valentine's Day Massacre

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.

Genre:

Documentary, Mystery

Seasons:

3

Episodes:

51

Quality:

HD

Status:

Returning Series

First Air:

2002

IMDb:

6.0