The Zodiac Killer is the most notorious serial killer in the world. He was running rapid in northern California in the late 1960 's to the early 1970 's. To this day the Zodiac Killer’s identity is unknown. The Zodiac Killer can be connected to at least 5 murders, but he may have committed more. He killed couples in isolated places. He mocked the police and sent threats through letters and ciphers. He sent them to the newspapers in the area. He started this in 1969 and he ended in 1974. His first murder happened at night, on December 20, 1968. He shot David Faraday, who was 17 years old at the time, and his girlfriend, Betty Lou Jensen, who was 16 years old. They were shot near their car on Lake Herman Road, on the outskirts of Vallejo, California. The police were unable to come up with motives. The second murder happened on July 5, 1969, in the morning. He shot 22 years old Darlene Ferrin, and her boyfriend, 19 years old, Mike Mageau. They were sitting in a parked car in Vallejo when a man approached them with a flashlight. He fired various shots and killed Ferrin and wounded Mageau. After an hour a man called the police. The man gave the police the location of the crime. He then claimed responsibility for the murders and the murders that happened in 1968. On August 1, 1969, the San Francisco Examiner got a letter that didn 't have a return address. The letter gave details from the murders. Details that only the killer would have known. Then the killer went on and