Zodiac ‘340 Cipher’ cracked by code experts 51 years after it was sent to the S.F. Chronicle

According to code-breaking expert David Oranchak, the cipher’s text includes: “I hope you are having lots of fun in trying to catch me. ... I am not afraid of the gas chamber because it will send me to paradice (sic) all the sooner because I now have enough slaves to work for me.”