Jerry H. Ratcliffe is the faculty director of the Master of Applied Criminology and Police Leadership program and a professor of practice in the Department of Criminology at the University of Pennsylvania. A former British police officer, he is also a scientific advisor to the International Association of Chiefs of Police.
Intelligence Led Policing is, without doubt, essential reading for scholars and practitioners. Ratcliffe has carefully crafted a new edition that improves on earlier iterations by combining originality and insight from his vast experience and ongoing research. This results in an outstanding volume that bridges theory and practice and remains a major contribution to intelligence studies. Dr Scott Keay, Edge Hill University, UK Ratcliffe’s original work on intelligence-led policing influenced a generation of police practitioners. His latest book offers a wealth of new insights, positions ILP within the broader landscape of contemporary law enforcement approaches, and is a must read for students, policymakers and policing professionals alike. R. Mark Evans OBE, University College London, UK Professor Ratcliffe understands the realities of leading in today’s complex policing environment. This book offers a practical roadmap for making police decision-making smarter, more focused, and—most importantly—more impactful. It provides an actionable framework to disrupt cycles of harm, strengthen analysis capacity, and deliver measurable safety outcomes. I’ve seen these principles work, and this book shows why. Chief Maris Herold (Ret., Boulder Police Department); Chief of Strategic Initiatives, Austin Police Department, Texas, USA; GMU Policing Hall of Fame 2022 Inductee With updated examples and real-world insight, this third edition of Intelligence-Led Policing will resonate with those professionals navigating today's challenges, where understanding intelligence is critical to ethical and effective policing. Dr Jacqueline Sebire, Assistant Professor, Rabdan Academy, UAE With clarity, authority, and a deep understanding of operational realities, Intelligence-Led Policing lays out the principles and practice in a way that is both accessible and profoundly insightful. Ratcliffe not only explains the importance of using data and intelligence to guide strategic decision-making, but also addresses the cultural, ethical, and organisational challenges that often accompany this shift in policing philosophy. This book is an outstanding contribution to the evolving field of intelligence-led policing and is essential reading for police professionals, policy makers, and students of criminal justice. David Cowan, Detective Superintendent, Victoria Police; President Australia and New Zealand Society of Evidence Based Policing