This book identifies essential theories and practices in criminal justice. The primary goal of this textbook is provide undergraduate criminal justice students with a broad array of assessments and evaluations of the programs and policies that have progressed in the field of criminal justice. It reviews and scrutinizes experiments such as S.M.A.R.T., Minneapolis Domestic Violence, Midtown Community Court, D.A.R.E., Ceasefire in Boston, and Kansas City Preventive Patrol in the light of relevant criminal justice theories. In addition, this book provides a summary and analysis of the cases frequently used in the criminal justice field.