How 3 amateur code breakers solved the Zodiac Killer’s ‘340 Cipher’ 51 years later
An unidentified serial killer murdered five victims in Northern California between 1968 and 1969. The killer then taunted the police and terrorized the public through threatening handwritten letters he sent to the press from 1969 to 1974. In addition to these letters taking responsibility for the murders, the killer known to investigators only as “Zodiac” … Continued