A LEVELS: There are no specific entry requirements but subjects like Sociology, Pyschology, Law or Politics might be helpful.
JOBS: Police officer, prison officer, probation worker, youth worker, social researcher.
Criminology is the study of criminal behaviour. You would study different crimes, why they happen and what might be done to prevent them, how the victims of crime are treated and how that might be improved or changed. You might also study specialised areas like youth justice, corporate crime, surveillance, criminal rights, policing and sentencing.