This text is designed to provide college students, entry-level peace officers and criminal justice professionals, experienced peace officers and criminal justice professionals, and those aspiring to become professional interviewers, with comprehensive and indepth information on the art and science of interview, interrogation and eyewitness testimony. The authors have relied on their years of professional experience, academic achievement, teaching, and training experience to present accurate information in a userfriendly format. Originally published as a resource and reference guide for criminal justice practitioners it has sold thousands of copies and continues to be available. As the demand for more rigorous academic training grew, the authors completely revised the original text and developed a complete college textbook.