Dr Benoit Leclerc is a criminologist in the School of Criminology and Criminal Justice at Griffith University, Brisbane, Australia. He has been involved in research and clinical work with adolescent and adult sex offenders at the Philippe-Pinel Institute of Montréal for 7 years and received his Ph.D. from the Université of Montréal, Canada. His research interests include crime script analysis, situational crime prevention and sexual offending. A recent funded project involves the study of the effectiveness of situational crime prevention to prevent sexual offences. Professor Richard Wortley is Director of the Jill Dando Institute of Crime Science at University College London. He has published widely in the areas of situational crime prevention, corrections and sexual offending. He has recent books entitled Situational Prison Control: Crime Prevention in Correctional Institutions (Cambridge University Press), Situational Prevention of Child Sexual Abuse (co-edited with Stephen Smallbone – Criminal Justice Press), Environmental Criminology and Crime Analysis (co-edited with Lorraine Mazerolle – Willan Publishing), and Preventing Child Sexual Abuse (co-written with Stephen Smallbone and William Marshall – Willan Publishing).