Criminal justice is a multidisciplinary field focused on the study of crime, criminal behavior, law enforcement, the judicial system, and corrections. Researchers in this area may investigate various aspects of crime and criminal behavior, such as the causes of crime, patterns of criminal activity, and the effectiveness of crime prevention strategies. They may also study the operation and impact of the criminal justice system, including the police, courts, and corrections. Research in criminal justice aims to inform policies and practices that promote public safety and justice.