The Zodiac killer was a serial killer who committed his homicides in Northern California in the late 1960s. His identity was never discovered; he self named himself in a series of letters which were sent to the press in regards to his killings. The letters he sent included multiple cryptographs, some of which remain unsolved. The Zodiac killer murdered victims in the cities of Vallejo, Lake Berryessa, and San Francisco in the years 1968 and 1969. Although there are only seven confirmed victims from his criminal acts, there are thirty seven homicides which the Zodiac killer claimed to have committed.
On August 1, 1969, three letters were delivered to the Vallejo Times-Herald, the San Francisco Chronicle, and the San Francisco Examiner. The letters were sent from an unknown individual and unknown address. In the material presented by the letters the writer claimed to have committed the homicide of multiple victims. Each letter also included a piece of a cryptograph which the writer stated that it contained his identity. The writer demanded for the cryptographs to be published on the paper’s front page the next day or he would “cruse all weekend killing lone people in the night then move on to kill again, until I end up with a dozen people over the weekend.”
On August 7, 1969, another letter was delivered to the San Francisco Examiner in which the writer referred to himself as “the Zodiac.” In the letter, the writer included details about the murders which had occurred and which were not released to the public. On August, 8 1969, Donald and Bettye Harden, residents in Salinas, California, deciphered the cryptograph and found that there was no name in the cipher.
The homicides and the letters continued and on October 14, 1969, the San...