The letter writer mentions a TV show. It is not clear in the cipher which show he is referring to, but the Chronicle reported that the cipher was sent to the newspaper on Nov. 8, 1969, a few weeks ...
This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. MYSTERY WIRE — The United States Federal ...
Sam Blake, an Australian mathematician, first learned of the Zodiac Killer’s unsolved ciphers — a series of encrypted messages — from a documentary in the 1990s. His interest marginally increased in ...
The envelope arrived at the San Francisco Chronicle in November 1969 without a return address, its directive to the recipient, in handwriting distinctively slanted and words unevenly spaced, to ...
James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...
James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...
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