Zodiac Killer In the late 1960s through the early 1970s, northern part of california was plagued by a serial killer known only as “The Zodiac”. The Zodiac committed the first known murder on Dec. 20, 1968 on a friday at 11:15 p.m on Lake Herman Road in Vallejo, California. The victims were David Faraday a male age 17, the second was Betty Jensen a female she was 16. They were in there car on the road when they were approached by a man, the man then started to shoot into the car and killed both Betty and David. But the reason that the Zodiac was unique is that he sent letters to the police departments and the news station, saying “This is the Zodiac speaking.” as he went on in the letters he would claim responsibility for murders by writing