The Zodiac Killer

The Zodiac Killer is an unidentified serial killer who operated in Northern California during the late 1960s and early 1970s. The killer is linked to a series of murders, but the true identity has never been conclusively determined. The Zodiac Killer is notorious for taunting law enforcement and the public by sending cryptic letters to newspapers and police, often including ciphers and cryptograms.

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