People who have the XYY syndrome can be have a greater motivation towards killing and be more sadistic (Vronsky 247). The Y chromosome is about maleness which causes more aggressive, impulsive, and violent behavior. A syndrome that is very common in the nature side of serial killers, is the XYY syndrome. Proponents of nature take into consideration DNA, and biological connections to our parents. Nature focuses on the characteristics a person is born with, such as personality traits, genetic make-up, and physical predispositions (Keltner 2003). One of the questions that is constantly being asked is: does nature, nurture, or a mixture of both are what create a serial killer? Proponents of the nature side of the debate, argue that all our traits are decided as soon as we are born. People who study society, social interaction and culture of everyday life such as sociologists, have been dealing with this issue for years in analyzing serial killers. So, one might ask themselves, how are serial killers created? In the psychological community, the debate of nature versus nurture has been and will continue to be an endless one. Serial killers act because of their deep, suppressed emotions, they are not driven by greed, revenge, hatred, envy or spur-of-the-moment violence.
While some may kill for revenge or robbery, serial killers do not. The murders take place over an extended period of time, and with a significant break in between the murders (Interview: McGrath). The term ‘serial killer’ is a person who murders three or more people, because of pleasure. In 1998, a new law that defined the term ‘serial killers’ was established. But even though there are many investigations and researches into the mind of serial killers, there is still not enough scientific information about why they do horrible things (Quinn 2006). Research into serial killers has been getting more comprehensive over time. Taxidermy is when an animal’s body is preserved via mounting, or stuffing. In addition, they usually enjoy spending time with dead animals, that some even resort to taxidermy (Warf 2002). Lastly, another sign that children show at a young age, can be descried as feeling deep motivation and impulsion to torturing animals. Children who create fires to random things, feel so much negative emotions such as anger, and hatred, that they cannot control their impulsions towards starting a fire (Vronsky 269). The first one is bedwetting which is related to psychological, emotional, and physical abuse. All serial killers have three aspects that they show in their childhood. In short, both nature and nurture are essential in shaping a serial killer.
“Psychology of Serial Killers: Nature Vs Nurture”
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