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 ...

Zodiac Killer's Cipher Solved by Code Experts 50 ... The newspapers ran the ciphers, and on Aug. 4, a Salinas high school teacher and his wife called the Chronicle. They had cracked it, beating ...

The Zodiac Killer was known for sending cryptic letters about his crimes to newspapers and police, per the San Francisco Chronicle. These letters often included ciphers and coded messages.