Research Paper On The Zodiac Killer

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Zodiac Killer
The Zodiac killer was a serial killer who operated in San Francisco from 1960s to 1970s. The Zodiac killer got this name following a series of letters that contained ciphers that he supposedly sent to the press. The zodiac killer is said to have murdered five known victims between 1968 and 1969 but investigations have never substantially connected the murders. However, there were other murders that the Zodiac killer was tied to even though there was inconclusive evidence to confirm these claims. The last Zodiac murder was reported in 1974 after which the serial killings were never reported again. However, the zodiac killer was never caught and the police closed investigations in 2004.
How is this serial killer different from …show more content…

According to Guillen (2002), serial killers tend to refrain from confessing or discussing murders before the case is solved. However, the zodiac killer would call the police to report the crimes and he would even claim that he did murder the victims. Besides, he would write numerous letters to the press claiming that he committed the murders.
Another feature of the zodiac killer that differentiates him from other homicide suspects is that he did not show motive behind the crimes. The FBI argues that for most serial murderers, there is always a motivation behind the killings (FBI, 2012). However, Zodiac’s motivation was not clear even though he appeared to take credit for the murders.
Zodiac also did not have a particular way of killing. According to the California Research Bureau (2011), most serial killers tend to use a single type of murder weapon or follow a single pattern of crime. However, the zodiac killer would target different types of victims including couples, teenagers and cabdrivers. In an incidence, he tried to abduct a woman. Besides, his weapons of murder varied from firearms to knives.
Other unique features of the zodiac killer were that he identified himself by the name Zodiac and he would use a cross circle symbol on his letters and on one of his victim’s …show more content…

However, the investigators mostly focused on suspect description by witnesses and police officers as well as the deciphering of the coded messages of the suspect’s letters. The local police in San Francisco sought the help of FBI behavioral analysts or psychologists to assist in identifying the behavioral profile of the murderer but they still could not identify the victim (Butterfield, 2002). After the police failed to get any leads, the FBI eventually collected all the Zodiac letters and sought the help of psycholinguistics in establishing a psychological profile. According to Guillen (2002), the psychologists helped in establishing a link between all the murders and also in developing the possible psychological traits of the killer. Despite the psychologists’ help in the case, the zodiac killer was never identified (Guillen,

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