FBI confirms Zodiac Killer’s 340 cipher solved by trio of amateur math and software codebreakers

From theregister.com

A team of code breakers has solved a cipher attributed to the Zodiac Killer, a serial murderer known for a Northern California killing spree in the late 1960s who has still not been identified or apprehended.

David Oranchak, a US-based software developer, Sam Blake, a mathematician based in Australia, and Jarl Van Eycke, a programmer based in Belgium, managed to crack Z340, a 340-character cipher that’s one of four such codes attributed to the Zodiac Killer.

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