Dr. Mary McMuran is Senior Baxter Research Fellow in the School of Psychology, Cardiff University, UK, and is funded by the Department of Health's National Programme for Forensic Mental Health Research and Development. She is both a Chartered Clinical Psychologist and a Chartered Forensic Psychologist, and is a Fellow of the British Psychological Society. She has worked with offenders in a young offender's center, a maximum security psychiatric hospital, a regional secure unit, and in the community. Over the years, she has taken a particular interest in alcohol and crime, a topic on which she has published widely, and in the treatment of personality disordered offenders. She is the author of several structured treatment programmes for such offenders, and these are now widely used in the UK. She is a former Chair of the British Psychological Society's Division of Criminological and Legal Psychology (now the Division of Forensic Psychology), and founding editor of the journal Legal and Criminological Psychology.