Graham Towl is Professor Psychology at Durham University.David Farrington is Professor of Psychological Criminology at the Institute of Criminology, Cambridge University. David A. Crightonis Deputy Head of Psychology for the Prisons and Probation Service (NOMS), and Visiting Professor at London Metropolitan University. Gareth Hughesis Head of Psychology at Kneesworth House Hospital in Royston, Hertfordshire.

• List of Entries, List of Contributors, Table of Cases, Acknowledgements, Introduction and Overview, Dictionary of Forensic Psychology, Appendix I: Abbreviations, List of References