Violence Risk-Assessment and Management - Advances Through Structured Professional Judgement andSequential Redirections, 2e
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More About This Title Violence Risk-Assessment and Management - Advances Through Structured Professional Judgement andSequential Redirections, 2e


This expanded and updated new edition reflects the growing importance of the structured professional judgement approach to violence risk assessment and management. It offers comprehensive guidance on decision-making in cases where future violence is a potential issue.

  • Includes discussion of interventions based on newly developed instruments
  • Covers policy standards developed since the publication of the first edition
  • Interdisciplinary perspective facilitates collaboration between professionals
  • Includes contributions from P.Randolf Kropp, R. Karl Hanson, Mary-Lou Martin, Alec Buchanan and John Monahan


Christopher D. Webster is Professor Emeritus of Psychiatry at the University of Toronto, Canada, as well as Professor Emeritus of Psychology at Simon Fraser University. A Fellow of the Canadian Psychological Association, the American Psychological Association and the Royal Society of Canada, his publications include the first edition of this volume (Wiley-Blackwell, 2007), and Essential Writings in Risk Assessment and Management (2007), which he co-edited. 

Quazi Haque is Executive Medical Director for Partnerships in Care, one of the largest providers of mental health services in the UK. A Fellow of the UK Royal College of Psychiatrists and former lecturer at the Institute of Psychiatry’s Home Office Teaching Unit, he collaborated with Christopher Webster in developing a structured professional judgement training programme at the Institute of Psychiatry at Kings College London. 

Stephen J. Hucker is Professor of Psychiatry at the University of Toronto, Canada. A specialist in forensic psychiatry, he is a former head of the forensic programs at Toronto’s Clarke Institute of Psychiatry and has lectured widely on forensic psychiatry both to scientific and professional audiences. He maintains a private practice and is frequently called as an expert witness in legal cases.


Tribute Dr. F.A.S. Jenson vi

List of Figures vii

List of Tables viii

List of Boxes ix

About the Authors x

Foreword Alec Buchanan xii

Preface to the Second Edition xviii

Acknowledgements xxi

1 Decision Points 1

2 Points of View 8

3 Predictions and Errors 15

4 Developmental Trajectories 26

5 Symptomologies 33

6 Personality Disorders 47

7 Substance Abuse 55

8 Factors: Risk and Protective, Single, Multiple, and Interacting 61

9 SPJ Guides 72

10 Competitions 88

11 Planning 92

12 Transitions Mary-Lou Martin 98

13 Sequential Redirections 106

14 Implementations 116

15 Teaching and Researching SPJ Guides 123

16 Spousal Assaulters: Risk Assessment and Management P. Randall Kropp 138

17 Sex Offenders R. Karl Hanson 148

18 Teams 159

19 Communications 163

20 Getting it Wrong, Getting it Right (Mostly) 170

Questions 187

Afterword John Monahan, PhD 195

References 200

Index 224


"Violence Risk Assessment and Management is a compact book that excels in educating and enlightening the psychiatrist-in-training and the seasoned forensic psychiatrist about this important topic. I have waited nearly 40 years for this book." The Journal of the American Academy of Psychiatry and the Law, 2015

This is an excellent account of risk assessment for mental health professionals. It should find a place on every practitioner’s book shelf and every undergraduate reading list.
Professor Harry Kennedy, Trinity College Dublin

Webster and colleagues have produced an exceptionally useful book, situating leading contemporary models of violence risk assessment and management within decision making contexts. They provide substantial pragmatic guidance on how to make tough decisions about violence risk at various transition points within forensic and correctional settings, and how to implement and evaluate risk assessment models within systems. This book will be illuminating for all key stakeholders – administrators; policy-makers; practitioners; and researchers.
Professor Kevin Douglas, Simon Fraser University