Master modern investigative principles and practices using the field-based approach strongly grounded in current research with Hess/Hess Orthmann/Cho/Molan's CRIMINAL INVESTIGATION, 12E. This best-selling text introduces established tools, practices and policies while detailing the latest innovations in investigative technology and science today. The authors clearly demonstrate techniques and practical applications using a captivating, reader-friendly presentation. The latest discussions introduce advancements in DNA evidence, incident review and solvability factors, terrorism and homeland security, electronic data searches, new case law, forensics and physical evidence, use of body cameras, and ethics as well as increasing standards of proof for stop versus search and arrest versus conviction. MindTap digital resources help you refine your skills and strengthen your understanding with video cases, career scenarios, chapter quizzes and interactive labs that explore investigative techniques.

This comprehensive and practical book covers law enforcement and the criminal justice system as a whole (including courts, corrections, and juvenile justice) in one easy-to-understand volume. You'll find a realistic and relevant "boots on the street" perspective, real world examples in every chapter, and up-to-date information on a wide range of today's hottest topics. You'll learn about the ways technology is changing the day-to-day operations of policing and police interaction with the public; the recommendations of the President's Task Force on 21st Century Policing, including the need to improve trust and legitimacy with the public and a shift away from the warrior mentality to a guardian mindset; the law enforcement response to new terrorism threats such as ISIS and homegrown violent extremists; drones and other new surveillance techniques; and more.

This trusted book provides a focused, practical introduction to the key principles and practices guiding the operations of modern police departments. While maintaining its proven instructional approach and strong focus on community- and problem-oriented policing, the sixth edition of POLICE OPERATIONS: THEORY AND PRACTICE reflects the latest trends and research shaping the day-to-day operations of progressive police departments. A new "Perspectives from a First-Line Supervisor" feature shares practical, applied information. Highlights include new and revised information on evolving technology, the police officer hiring process, how police use websites and social media to communicate with the public, patrol techniques, cultural diversity, cell phone use and laws, hazardous materials response, federal emergency response agencies, and cyberterrorism. The authors complement this wealth of information with an appealing writing style, numerous photos and illustrations, and real-life examples to engage your interest, enhance learning, and demonstrate the professional relevance of chapter material. Now better than ever, this convenient book is an ideal resource for law enforcement students and professionals who want an accessible, up-to-date guide to essential principles and current trends and practices in police operations.