Three men received recognition in December 2020 for cracking the Zodiac Killer's 340-character cipher (Z340) – but they want to share credit with the community of sleuths who helped with the 51 ...

The “340 cipher,” which was sent to the newspaper in November 1969 ... the FBI’s San Francisco Field Office said the cipher “was recently solved by private citizens.” “The Zodiac Killer case remains ...

The Zodiac remains one of the most mysterious serial killers in U.S. history, active at the turn of the 1960s and 1970s. He is credited with murdering 37 people but was never caught. Investigators ...