A letter from the Zodiac killer was received by the authorities in late 1983. It stated where the bodies of 2 teenagers were to be found. Two teenagers, Joseph Weatherman and Denise Statz, were killed around this time. Their names appear in this Zodiac Cipher.
Carol Hilburn is considered to be a possible Zodiac Killer victim, at number 19 on Graysmith’s list. She was murdered on November 13, 1970 in Sacramento, California. She had been beaten to death.
In his book Zodiac (Titan Books, London, 2007), Graysmith lists as victim number 17 Donna Lass. She is a Missing Person, suspected foul play, since September 26, 1970.
According to Robert Graysmith’s Zodiac (Titan Books, London, 2007), Cosette Ellison was possibly the Zodiac Killer’s 11th victim. She was found murdered on March 3, 1970.
According to Robert Graysmith’s book Zodiac, Leona Roberts is considered to be possibly the Zodiac Killer’s 10th victim. She was killed on December 10, 1969.
Elaine Davis, according to the Appendices pages of Robert Graysmuith’s book Zodiac (Titan Books, London, 2007), was possibly the Zodiac Killer’s 9th victim. She was murdered on December 1, 1969.
David Faraday was the Zodiac Killer’s 3rd victim. He was killed along with the 2nd victim Betty Lou Jensen on December 20, 1968 in Vallejo, California. The 2 teenagers were on their first date.
The Zodiac Killer’s 4th victim, who survived, was Michael Mageau. He was seated in a car with Darlene Ferrin when the pair were attacked on July 5, 1969. Ferrin, the 5th victim, was killed.
The name Paul Stine appears in this Zodiac Cipher. He was the Zodiac Killer 8th victim. He was murdered on October 11, 1969 in San Francisco, California.