11 Season
116 Episode
History Detectives - Season 7 Episode 3
Items include a shotgun believed to have been used by a member of Al Capone's gang during the St. Valentine's Day Massacre; a threatening letter to President Andrew Jackson believed to have been written by John Wilkes Boothe's father; and an alarm which is thought to have been an alarm against grave robbers in a cemetery.
- annos singulos: 2014
- Patriam: United States of America
- genus: Documentary
- Studio: PBS
- keyword: investigation
- Director: Bernadette McDaid
- cast: