The last messages from the Zodiac supposedly revealed his name and the location where a bomb was hidden. Ziraoui suggests the killer used the "340 cipher" due to its mysteriousness, seeing no need ...

However, one of the most intriguing things about the Zodiac Killer was his ciphers. As per reports, the killer had mailed ciphers or encrypted messages. The Zodiac Killer had sent the cipher in ...