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The study of serial murder is a very important part of criminal psychology, and in order to help the development of the current society, we need to fully understand the psychological process of serial killers to prevent more tragedies from happening. yet there is a lot of literature that studies the psychology of murderers, but it is not explicitly comprehensive enough to analyze serial killings because of the killers’ personalities, family education and genetics. In order to overcome the shortcomings of the current literature, our group studied 14 articles and used the literature analysis method to summarize and analyze. This paper deeply studies the three reasons that lead to the occurrence of serial killers. Through the research, it is found that the three reasons can lead people to become murderers. For this reason, we separately explain why the three reasons can lead murderers to have bad thoughts and finally rely on the pleasure of killing. At the same time, this paper makes people better understand psychopathy, paving the way for more in-depth research in the future and paying attention to the psychology of people around.
Han et al. (Sat,) studied this question.