The late Kären Matison Hess, PhD, wrote extensively in law enforcement and criminal justice, gaining a respected reputation for the consistent pedagogical style around which she structured each textbook. She co-authored multiple editions of MANAGEMENT AND SUPERVISION IN LAW ENFORCEMENT, CRIMINAL INVESTIGATION, JUVENILE JUSTICE, and INTRODUCTION TO LAW ENFORCEMENT AND CRIMINAL JUSTICE in addition to CONSTITUTIONAL LAW AND THE CRIMINAL JUSTICE SYSTEM; much of her work and influence remains unchanged in this new edition. Christine Hess Orthmann holds an M.S. in criminal justice from the University of Cincinnati and has been writing and researching in various aspects of criminal justice for over 20 years. She is the author of numerous Cengage Learning textbooks, a former reserve officer with the Rosemount (Minnesota) Police Department, and a member of the Academy of Criminal Justice Sciences (ACJS), the American Society of Criminology (ASC), the Text and Academic Authors Association (TAA), and the National Criminal Justice Honor Society (Alpha Phi Sigma). Henry Lim Cho holds an M.A. in Human Services with an emphasis on Criminal Justice Leadership from Concordia University, St. Paul, Minnesota. He has worked in the field of criminal justice for more than 10 years, having held positions in private security and as a community service officer, police officer, and detective. He retired from the Rosemount (Minnesota) Police Department with the rank of Sergeant. Sergeant Cho has experience as a use-of-force instructor and as a crime scene investigator. His professional memberships include the Text and Academic Authors Association, Minnesota Police and Peace Officer's Association, International Association of Identification--Minnesota Chapter, Minnesota Sex Crimes Investigator Association, High Technology Crime Investigation Association, National White Collar Crime Center, and the Fraternal Order of Police. He co-authored POLICE OPERATIONS and INTRODUCTION TO LAW ENFORCEMENT AND CRIMINAL JUSTICE, and has been published in the Minnesota Police Journal.