William R. Lindsay, PhD, was a Consultant Forensic Clinical Psychologist and Head of Research for Danshell, and Professor of Learning Disabilities and Forensic Psychology at Abertay University, Dundee, Scotland.

Leam A. Craig, PhD, is a Consultant Forensic Clinical Psychologist and Partner at Forensic Psychology Practice Ltd. He is a visiting Professor of Forensic Clinical Psychology, Birmingham City University, Hon. Professor of Forensic Psychology, University of Birmingham, and Hon. Assoc. Professor of Forensic Psychology, University of Nottingham, UK.

Dorothy Griffiths, PhD, is Emerita Professor at the Department of Child and Youth Studies and Centre for Applied Disability Studies, and former Co-Director of the International Dual Diagnosis Certificate Programme, Brock University, St. Catharines, Ontario, Canada.

Acknowledgements ix

About the Editors xi

Notes on Contributors xiii

Foreword xxiii

Part I Introduction 1

1 What Works for Offenders with Intellectual and Developmental Disabilities: Systems for Evaluating Evidence and Book Overview 3
Leam A. Craig, William R. Lindsay, and Dorothy Griffiths

2 What Works: Ethical Considerations When Treating Offenders with Intellectual and Developmental Disabilities 17
Dorothy Griffiths

3 Protecting the Rights of People with Intellectual Disabilities in Correctional Settings 41
Frank Lambrick, Astrid Birgden, Chelsea Troutman, and Danielle McLeod

Part II Phenotypes and Genotypes and Offending Behaviour 67

4 Behavioural and Cognitive Phenotypes in Genetic Disorders Associated with Offending 69
Lauren J. Rice, Stewart L. Einfeld, and Patricia Howlin

Part III Validated Assessments 97

5 Diagnosis of Personality Disorder in Offenders with Intellectual and Developmental Disabilities 99
Nigel Beail

6 Assessment of Anger and Aggression 113
Paul Willner, Andrew Jahoda, and Ken MacMahon

7 Psychological Assessment Procedures for Sex Offenders with Intellectual and Developmental Disabilities 133
Lesley R. Steptoe and Amanda M. Michie

8 Assessment for Social Problem¿Solving, Social Information Processing, and Criminal Thinking 167
Peter E. Langdon

9 Assessment of Alcohol Use Disorder and Alcohol¿Related Offending Behaviour 181
Joanne E.L. VanDerNagel, Neomi van Duijvenbode, and Robert Didden

10 Assessing People with Intellectual Disabilities Who Have Engaged in Fire Setting 193
Samuel J. Tromans, Verity Chester, and Regi T. Alexander

11 Biopsychosocial Assessment Approach for Offenders with Intellectual Disabilities 219
Deborah Richards, Tyler Oswald, and J. Paul Fedoroff

12 Using a Multicomponent Model in the Assessment of Persons with Intellectual Disabilities and Problems in Sexual Behaviour 239
Robin J. Wilson, Stephanie Ioannou, and Kendra Thomson

Part IV Treatment 261

13 Supporting People with Intellectual and Developmental Disabilities Leaving Prison 263
Kathy Ellem, Michelle Denton, and Danielle Davidson

14 Prison¿based Programmes for People with Intellectual and Developmental Disabilities 283
Phillip Snoyman, Berindah Aicken, and Jayson Ware

15 Treatment of Anger and Violence in Individuals with Intellectual Disability 297
Robert Didden, Henk Nijman, Monique Delforterie, and Marije Keulen¿De Vos

16 Treatment of Inappropriate Sexual Behaviour by People with Intellectual Developmental Disabilities 311
Leam A. Craig

17 Treatment for Social Problem Solving and Criminal Thinking 327
Susan Hayes

18 Treating Substance Misuses Amongst Offenders with Intellectual and Developmental Disabilities 341
Danielle Newton and Jane McGillivray

19 Treatment for Emotional Difficulties Related to Offending for People with an Intellectual Disability 357
Paul Oxnam and Emma Gardner

20 Treatment Outcomes for People with Autistic Spectrum Disorder in Forensic Settings 373
Peter Sturmey

21 Pharmacological Approaches for Offenders with Intellectual and Developmental Disabilities 389
Daniel Turner and Peer Briken

Part V Conclusions 405

22 Future Directions for What Works for Offenders with Intellectual and Developmental Disabilities 407
Dorothy Griffiths and Leam A. Craig

Index 421