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In the summer of 1969, the once-peaceful city of Vallejo, California became the hunting ground of a predator known today as the Zodiac Killer. This unidentified assailant, responsible for at least five confirmed murders, used cryptograms and ciphers to taunt law enforcement and claim his grisly deeds. One such cipher, received by local newspapers, sparked a nationwide frenzy yet remains unsolved to this day, a chilling symbol of an enigma that has haunted investigators for over 50 years. This episode delves deep into this infamous case, revisiting the documented evidence and events of that terror-filled summer.

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#UnsolvedMystery, #ZodiacKiller, #TrueCrime, #ColdCase, #CrypticCiphers