Psychology as a field aims to understand and explain human thoughts, emotions, and behavior. That makes psychology useful when we approach questions such as who is at greater risk of entering criminality and what may lead a person to commit a crime.
Psychology is not the only subject needed to understand crime, however. Sociology, economics, geography, and medicine also contribute important perspectives. Together, these theories provide a broader and more complete understanding of criminality.
Different types of theories
Crime theories operate on different explanatory levels. Some emphasize social structure, some the influence of groups, and others the individual's biological or psychological conditions. The overview below summarizes five common ways of organizing these perspectives.
Theory map
Five ways of explaining why crime happens
Crime theories tend to cluster around a handful of recurring perspectives. Some start with inequality, some with group influence, and others with the individual mind, conflict, or place.
Society-oriented theories
These theories argue that criminal behavior can grow out of broader social structures such as economic inequality, segregation, or limited educational opportunity.
Socially focused theories
These perspectives emphasize socialization, peer influence, and upbringing. Group pressure and local norms may shape whether criminal behavior becomes thinkable or normal.
Individual-focused theories
These explanations focus on biology and psychology, highlighting factors such as neuropsychological difficulties, aggression, or weak impulse control.
Power and conflict theories
These theories link crime to conflicts between groups and to unequal power, asking who gets to define rules, deviance, and punishment in society.
Geographic theories
These perspectives show how place matters. Some environments create more opportunity for crime because anonymity is higher and social control is weaker.
No single theory can explain all crime. Criminality often emerges through the interaction of the individual, the group, and society.
How theories are used
Criminological theories are not only used to describe why crime happens. They are also used to identify risk factors, understand protective factors, and discuss how crime can be prevented. A biological theory may, for example, help us understand impulse control, while a social theory can clarify how school environments, segregation, or group norms influence behavior.
Reflect
What do you think matters most for whether crime is committed or not: the individual, the group, or society? The question has no simple answer, but it shows why several perspectives are needed at the same time.
Sources: Granhag, P. A., Stromwall, L. A., Ask, K. & Landstrom, S. (2021). Handbook of Forensic Psychology. Liber. Howitt, D. (2002). Forensic & Criminal Psychology. Pearson Education.
