History's Greatest Mysteries
S07E19 The 2001 Anthrax Attacks
The FBI is stretched to its breaking point as lethal anthrax spores delivered through the postal system claim five victims. Agents race against the clock to trace the source, but each new contaminated letter compounds the chaos. With the public on edge and resources dwindling, the investigation becomes a desperate hunt to uncover the sender before more lives are lost to this audacious act of biological warfare.
Season 7 Episodes
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Area 51
The Hunt for Adolf Eichmann: Case Closed
The Legend of the Werewolf
The Theft of the Mona Lisa: Case Closed
The Murder of Sam Giancana
The Unabomber: Case Closed
The Plot to Kill Lincoln
The Hunt for Viking Treasure
Foo Fighters: WWII Edition
Rommel's Gold: WWII Edition
The Shot Heard Round the World
The Death of Alexander the Great
Lost Civil War Gold
The 2001 Anthrax Attacks
The Hunt for Osama bin Laden: Case Closed