The Unresolved Enigma of the Zodiac 340 Cipher: A Cryptic Conundrum

from Unsolved Transmissions · host Neon Nights Studio

Dive into the complex world of the Zodiac 340 Cipher, one of the most infamous unsolved ciphers in history. Sent by the Zodiac Killer to the San Francisco Chronicle in 1969, this baffling code has confounded experts for over 50 years. Join us as we explore the cipher's history, its potential meanings, and the latest attempts to crack it. Can you help solve this enigmatic puzzle? Learn more about your ad choices. Visit megaphone.fm/adchoices

Episode metadata supplied by the publisher feed · Published May 1, 2026

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The Unresolved Enigma of the Zodiac 340 Cipher: A Cryptic Conundrum

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This episode was published on May 1, 2026.

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