Historical discussion of Lombroso's eugenics theory and MAOA gene research

Historical discussion of Lombroso's eugenics theory and MAOA gene research The passage is an academic overview of outdated criminology theories and genetic studies with no mention of current actors, transactions, or misconduct. It offers no actionable investigative leads. Key insights: Describes Lombroso's discredited theory that criminals are biologically born.; Notes the shift to nurture-based explanations for criminal behavior.; Summarizes research on the MAOA gene and its link to aggression.