Crime Criminals 27 Criminal justice, Administration of 18 Police 18 Criminology 17 History 16 Murder 9 Crime prevention 8 Social conditions 7 Criminal law 6 Fiction 6 Police administration 6 Prisons 6 Punishment 6 Biography 5 Law enforcement 5 Violence 5 Economic aspects 4 Juvenile delinquency 4 Prisoners 4 Social aspects 4 Criminal statistics 3 Rehabilitation 3 Research 3 Sexual deviation 3 Social life and customs 3 Trials 3 Case studies 2 Civilization 2 Classification 2