The late Kären Matison Hess, Ph.D., wrote extensively about law enforcement and criminal justice, gaining a prestigious reputation for the consistent pedagogical style around which she structured each textbook. Dr. Matison co-authored multiple editions of MANAGEMENT AND SUPERVISION IN LAW ENFORCEMENT, JUVENILE JUSTICE, INTRODUCTION TO LAW ENFORCEMENT AND CRIMINAL JUSTICE, CONSTITUTIONAL LAW AND THE CRIMINAL JUSTICE SYSTEM and CRIMINAL INVESTIGATION. Many of the renowned strengths of Dr. Matison's practical presentation as well as her investigative insights remain hallmarks of this new edition.

Christine Hess Orthmann holds an M.S. in criminal justice from the University of Cincinnati and has been writing about and researching various aspects of criminal justice for more than 20 years. A well-respected author of numerous Cengage Learning textbooks, Ms. Orthmann is a former reserve officer with the Rosemount (Minnesota) Police Department. She is a member of the Academy of Criminal Justice Sciences, the American Society of Criminology, the Text and Academic Authors Association and the National Criminal Justice Honor Society (Alpha Phi Sigma).