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Latest / Midnight Signals: History, Folklore and Unexplained Mysteries

Zodiac Ciphers and the Codes That Refuse to Die

Content Warning: Mentions of murder, unidentified remains, disturbing historical crimes, and psychological obsession.

In 1969, the Zodiac Killer began mailing ciphers to San Francisco Bay Area newspapers, dangling the promise of a hidden identity that never quite came into focus. Those ciphers open a run through some of history’s most stubborn codes. The Somerton Man lies on an Australian beach with a tiny Tamam Shud scrap turning his death into a riddle. The Beale Ciphers promise a buried hoard of gold and silver in Virginia, locked behind sheets of numbers. The Voynich Manuscript fills its…

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