Helen Gavin is Director of Graduate Education at theUniversity of Huddersfield, UK, where she also lectures inForensic and Criminal Psychology Previously, she was Head ofPsychology at the University of the West of England, UK. Herpublications include The Essence of Cognitive Psychology(1998), Understanding Research Methods & Statistics inPsychology (2008), Sex, Drugs and Rock & Roll:Psychological, Legal and Cultural Examinations of Sex andSexuality (2010) and Criminological and ForensicPsychology (2014) Theresa Porter is a forensic psychologist currentlypracticing in Connecticut, USA. She worked for the Federal Bureauof Prisons for nearly a decade where she had extensive experiencewith female offenders. She lectures and publishes on violence bywomen, including Infanticide and Neonaticide: A Review of 40Years of Research Literature on Incidence and Causes (withHelen Gavin; 2010), Woman as molester: Implications forsociety (2010), A Case of Factitious Paedophilia (withMark D. Feldman, 2011) and Hits Like a Girl; Women who Battertheir Partners (2011).