Understanding how and why serial killers commit such horrific crimes is an important step to stopping the homicidal rampages these psychokillers go on. Scientists searched and found what is believed to be hard evidence, that genetics is the key role in determining who becomes a serial killer unlike criminologists and psychologists who argue that large events such as abuse and abandonment create the setting and foundation in which serial killers grow into sadistic mass murders. Though both arguments are strongly proved and explained through research and statistics neither are individually the answer to why serial killers exist. In reviewing the evidence of both explanations I have found that it is a mix of both genetics and cultural upbringings. Though many humans must deal with violent situations as children and experience horrific events many do not become mass murderers. It is true that many children who are victims of abuse become violent in their adult lives but to cross into the category of a serial killer one must be born with a different biochemical makeup. In my conclusion nature does choose what traits we are born with but at the same time these traits cannot be exposed without a mechanism that triggers these individuals to commit these horrific crimes. Without the alignment of both natural genetic defects and the cultural nurturing in which humans are brought up in, serial killers cannot become vicious killers. If we can curb domestic violence then the chances for a serial killer to become violent will decrease significantly making our world a safer place.


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