David Crighton is Deputy Head of Psychology for Prisons and Probation Services. He is also visiting Professor of Forensic Psychology at London Metropolitan University and co-editor of the British Journal of Forensic Practice.
Graham Towl is Head of Psychology for Prisons and Probation Services. He is also visiting Professor of Forensic Psychology at the University of Birmingham and the University of Portsmouth. He has received the British Psychological Society award for distinguished contribution to professional psychology. He is the editor of Psychology in Prisons (BPS Blackwell, 2003) and joint editor of Suicide in Prisons (BPS Blackwell, 2002). He is also co-editor of the British Journal of Forensic Practice.