Iain Crow has undertaken research on issues including drug use, unemployment and offending, and offender rehabilitation. Much of this work has involved community-based projects, and work with agencies such as the Probation Service. After working at the Institute of Psychiatry, University of London, and NACRO he joined the Centre for Criminological Research at the University of Sheffield. He has written, amongst other publications, The Treatment and Rehabilitation of Offenders and co-authored Researching Criminology . Carol Riddington graduated from Brunel University with a BSc (Hons) Psychology thereafter attaining an MSc in Social Research. Her PhD from the Tizard Centre, University of Kent, was on partnership working with adults who have impaired learning disabilities. After working at NACRO Carol worked at the BBC World Service and continued her social research career managing projects and conducting research studies on behalf of public and charitable sectors. She has been a trustee of a charity that provides supported living, residential care as well as employment skills and activities for people with disabilities and is currently a trustee for the Makaton language programme charity.