Theresa A. Gannon, DPhil, is Professor of Forensic Psychology and Director of the Centre for Research and Education in Forensic Psychology at the University of Kent, UK. A Practitioner Consultant Forensic Psychologist specialising in deliberate firesetting and sexual offending, she has published over 140 chapters, articles, books, and other scholarly works on male and female-perpetrated offending. Tony Ward, PhD, DipClinPsyc, is Professor of Clinical Psychology at Victoria University of Wellington and a Fellow of both the Royal Society of New Zealand and the Association for the Treatment of Sexual Abusers. He has authored over 490 academic publications and received the 2021 Mason Durie Medal for Social Science research from the Royal Society of New Zealand.