Law Enforcement, Courts and Corrections in the US Justice System. The United States criminal justice system is broken down into three different parts, each with a different focus of the law and dealing with criminals in a different stage of their criminal activity.

The criminal justice system is a series of government agencies and institutions. Goals include the rehabilitation of offenders, preventing other crimes, and moral support for victims. The primary institutions of the criminal justice system are the police, prosecution and defense lawyers, the courts and prisons.