Dr. Andy Williams is a Principal Lecturer and Associate Head of Research at the Institute of Criminal Justice Studies, University of Portsmouth, UK. Having completed his doctorate in 2003, which consisted of an ethnography of the Paulsgrove anti-child sex offender demonstrations in 2000, he has developed academic courses and practitioner training in understanding risk and dangerousness for sexual offenders. He is co-author (with Mike Nash) of The Anatomy of Serious Further Offending (2008) and The Handbook of Public Protection (2010). His recent books are The Myth of Moral Panics (2014, with Bill Thompson) and Forensic Criminology (2015). He has undertaken numerous evaluations of UK public protection systems, including an evaluation of the Integrated Offender Management model (IRiS, 2014) for Avon and Somerset Police and Probation services, Hampshire’s Violent Offender Intervention Programme (2016) and Aurora New Dawn’s Domestic Violence Cars initiative (2018). His current research is examining Online Child Abuse Activist Groups (‘paeodphile hunters’).