Watch History Detectives Season 7 Episode 4 Online
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- COUNTRIES: United States of America
- Subtitles: English
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.
