A coded letter from the Zodiac Killer was finally deciphered after over 50 years. A code breaking team tested thousands of ways to crack the code on one of the killer's messages from the late 1960s.
SAN FRANCISCO (KRON) – A piece to the puzzle in one of America’s most talked-about unsolved mysteries apparently fell into place as news surfaced Friday that a code in the Zodiac Killer case had been ...
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