Explores the criminal justice system including the roles and responsibilities of each of its components (police, courts, and corrections) at the federal, state, county, and local levels, and the many associated career opportunities. Critically examines the way the institutions operate separately and as a part of the broader system. Explores the statistical measures of crime, theories of crime causation, punishment and rehabilitation, juvenile justice, and selection and training standards for practitioners. Compares the United States criminal justice system to others around the world to illustrate the influence that this country’s history and culture have had on its system.