The Zodiac Killer: a notorious serial killer who terrorized the San Francisco Bay Area in the late 1960s and early 1970s, taunting police and the public with cryptic letters and ciphers. Despite numerous investigations and theories, the killer's true identity remains one of America's most infamous unsolved mysteries π
Next episode: "The Code Breaker". Will the latest cryptic clue finally crack the case, or will the Zodiac Killer's secrets remain buried forever?