New Zodiac Killer forum
Mike Morford recently relaunched his Zodiac Killer discussion forum: His forum was formerly available by invitation only, but is now open to everyone. It is filled with lively conversations on a wide variety of topics, including news, suspects, the killer’s…
Cipher message to Zodiac
On October 23, 1969, the San Francisco Examiner published an article about the ongoing hunt for the Zodiac killer. This enciphered “message to Zodiac” appeared in the article: The article was published after the 408-character cryptogram was solved, and before…
Ricin lone bomber code solved
Updated April 17, 2013: In light of recent events, I’ve decided to remove the ricin recipe plaintext from this post. The FBI, however, continues to display the encrypted ricin recipe on their website. Cryptographer Klaus Schmeh recently posted about a…
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