Tag: Unsolved Mysteries

Deep Dive: The Cipher That Waited 51 Years: How AI, Obsession, and Three Amateur Sleuths Finally Cracked the Zodiac Killer’s Code

January 21, 2026

AI True Crime, Artificial Intelligence, Blog, Deep Dive

Reading Time: 17 minutes – The Zodiac’s Z340 cipher stumped the FBI for 51 years. Then a web designer, mathematician, and warehouse worker solved it with AI. This is their story.

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