Subtitle The St. Valentine's Day Massacre -

The case was one of the first major crimes to use ballistics science . Dr. Calvin Goddard proved that the weapons used were not official police firearms but were matched to two Tommy guns later found at the home of Capone associate Fred Burke .

Moran’s second-in-command.

The brutality of the massacre and the use of submachine guns directly influenced the passage of the National Firearms Act of 1934 . subtitle The St. Valentine's Day Massacre

The victims included key members of George "Bugs" Moran's inner circle: The case was one of the first major

The site of the garage was demolished in 1967, and today, parts of the original brick wall are on display at in Las Vegas. Analysis: An Account of the St. Valentine's Day Massacre subtitle The St. Valentine's Day Massacre