Criminology & Criminal Justice
Criminology is the study of crime, criminal behaviour, and the responses of society and the criminal justice system — the causes of offending, its measurement, and the workings of policing, courts, and corrections.
Scope
The field spans theories of crime causation, penology and corrections, policing, victimology, juvenile delinquency, white-collar and cybercrime, crime prevention, and comparative criminal justice, drawing on sociology, psychology, law, and economics.
Sub-topics
Core questions
- Why do people commit crime?
- How should crime be measured and explained?
- How and why does society define and respond to deviance?
- How effective and just are policing, punishment, and corrections?
- How can crime be prevented?
Key concepts
- Deterrence
- Rational choice
- Strain / anomie
- Differential association
- Labelling
- Social control
- Recidivism
- Crime prevention
Key theories
- Classical criminology
- Beccaria argued crime stems from rational choice and that punishment should be proportionate, certain, and swift — founding deterrence-based justice.
- Positivist / biological criminology
- Lombroso sought the causes of crime in the individual offender (the 'born criminal'), launching the positivist search for empirical causes (since heavily revised).
- Strain and learning theories
- Merton's anomie/strain theory located crime in the gap between cultural goals and legitimate means; Sutherland's differential association held criminal behaviour is learned in interaction.
- Labelling and control theories
- Becker showed how social reaction 'labels' deviance, while Hirschi's control theory explained conformity by the strength of social bonds.
History
Criminology began with the Enlightenment classical school (Beccaria) emphasizing deterrence, followed by nineteenth-century positivism (Lombroso) seeking empirical causes in the offender. Twentieth-century sociological theories — Chicago School, strain (Merton), differential association (Sutherland), labelling (Becker), and control (Hirschi) — moved explanation to social structure and process. Modern criminology spans these with developmental, critical, and evidence-based crime-prevention approaches.
Debates
- Classical versus positivist explanation
- A foundational tension contrasts free-will, choice-based accounts of crime with deterministic accounts locating causes in biology, psychology, or social structure.
- Does punishment reduce crime?
- Deterrence and incapacitation arguments for punishment are weighed against evidence on its limited and sometimes criminogenic effects, informing debates on mass incarceration.
Key figures
- Cesare Beccaria
- Cesare Lombroso
- Robert K. Merton
- Edwin Sutherland
- Howard Becker
- Travis Hirschi
Related topics
Seminal works
- beccaria-1764
- lombroso-1876
- merton-1938
- sutherland-1939
- becker-1963
Frequently asked questions
- What is the difference between criminology and criminal justice?
- Criminology studies the causes and nature of crime and deviance; criminal justice focuses on the institutions and processes — police, courts, corrections — that respond to crime. They overlap closely.
- Is criminology a branch of sociology?
- It grew largely out of sociology and remains closely tied to it, but it is an interdisciplinary field also drawing on law, psychology, and economics.