There are an estimated 1,500 known serial killers in history, and according to research and interviews, more than half of those were victims of abuse under the age of 18.Ĭhildhood trauma is a significant factor when it comes to future crime as an adult. Adrian Raine, biological factors and environmental factors contribute to making criminals. Personal trauma, especially from childhood, has a high impact on one’s decision making. Still, the correlation between the two cannot be ignored (Nicola, Davies, 2018). Not all abused children become serial killers also, not all serial killers have a past of childhood abuse or childhood trauma. There is a trend with abuse and childhood trauma and that correlating into serial killers and criminal activity. But to what extent? I will be addressing childhood abuse & trauma and how that relates too criminal activity and mostly focus on serial killers. Specific future study of the potential role of neurodevelopmental disorders in multiple and serial murders is warranted and, due to the rarity of these events, innovative research techniques may be required.One’s childhood has a significant impact on that person for the remainder of their life. Research into multiple and serial murders is in its infancy: there is a lack of rigorous studies and most of the literature is anecdotal and speculative.
Our findings tentatively indicate that these extreme forms of violence may be a result of a highly complex interaction of biological, psychological and sociological factors and that, potentially, a significant proportion of mass or serial killers may have had neurodevelopmental disorders such as autism spectrum disorder or head injury.
We have conducted a systematic review, following PRISMA guidelines, of both the peer reviewed literature and of journalistic and legal sources regarding mass and serial killings. Multiple and serial murders are rare events that have a very profound societal impact.
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