There is an ongoing debate over what contributes to people’s criminal behavior. Some people believe that deviant conduct is caused by external factors, whereas others argue that it stems from genetic influences. In my view both factors interact to shape human behavior as most genetic markers are activated by environmental triggers.
On the one hand, proponents of the biological perspective argue that genetics play a crucial role in shaping a person’s behavior. Research indicates that various behavioral and emotional traits are passed down through hereditary transmission. Inherited traits affecting temperament, hormonal balances or differences in brain wiring can directly dictate an individual’s baseline capacity for self control or emotional regulation. For example, higher levels of impulsivity, thrill-seeking or traits linked to antisocial personality disorders significantly elevate the risk of engaging in unlawful conduct. Thus, from a biological standpoint, criminal behavior can be viewed as an expression of innate neural and genetic vulnerabilities.
On the other hand, external and environmental factors act as catalysts that trigger or independently drive unlawful conduct. This is because severe financial stress, high-crime neighborhoods and unstable family dynamics create heavy pressure on individuals. Consequently, even if someone carries a genetic vulnerability, it usually remains dormant unless it is triggered by environmental factors such as poverty, negative peer pressure or childhood neglect. For example, teenagers raised in poor neighborhoods with high crime rates are far more likely to engage in juvenile delinquency as financial need and daily exposure to violence activate these latent aggressive traits.
In conclusion, while innate genetic predispositions set a baseline vulnerability for antisocial behavior, external environmental factors play an equally decisive role as catalysts. In the other words, criminal behavior is rarely the result of nature alone, but rather than that of genetic markers triggered by external attributes.