killers, for example, might leave something at the crime scene. Robbery is seldoma motive in these sort of murders. Zodiac’s victims were found with there wallets or purses. According to Deitz, most serial killers murder their victims by means of strangulation,beating them or stabbing them. (Weis, Keppel 157) Zodiac did use these methods but he also usedfirearms. Deitz argued that most serial killers are sexual sadists are therefore the pleasure ofkilling comes from the sexual gratification achieved with close contact. Nevertheless, whenZodiac used firearms he used them at close range, perhaps in order to satisfy this sexual need.Zodiacs victims were also typical of the majority of homicide victims. According, to Weis fifty-four percent of homicide victims are between the ages of eighteen and thirty six. The victimsare usually white and single. This also fits with the bulk of Zodiacs victims. Zodiac is perhaps the most elusive criminal in American history. After his last letter to theChronicle in 1978 he was never heard from again. Although the case is still technically open, itreceives little attention. Graysmith theorizes Zodiac may have been arrested for another crime,died in an accident, or even possible killed by an intended victim. (Graysmith, 303) He also mayhave committed suicide. However, the trouble with any of these speculations is that almostcertainly evidence of his identity would have been found. he might have begun to feel guilt andremorse for his action. He may have simply stopped killing. When Zodiac started writing letters,he may have been fueled by the publicity he received. At the end of his career he received less andless publicity, maybe since the fame was dwindling so was his need to kill. The most frighteningpossibility is that he still may be killing. ...
