Cryptographic researchers have finally cracked a 51-year-old code left by the Zodiac, a serial killer who terrorized Northern California in the late 1960s and early 1970s. Much of the work of cracking ...
The Zodiac's code was a homophonic substitution cipher, where large areas of text was replaced with symbols. Dr Blake added that the Zodiac Killer made it even harder to solve by not writing the ...
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