“…Psychopathy; sexual deviance; sexual fantasies; gender differences; paraphilia Understanding sexual deviance has historically been a difficult endeavor, partly due to controversies in the very definition of sexual deviance (Bartels & Gannon, 2011;Laws & O'Donohue, 2008). These definitional issues have likely hampered the study of the etiology and correlates of sexual deviance, which is crucial to understand sexual deviance and to refine prevention and intervention programs (Watts, Nagel, Latzman, & Lilienfeld, 2017b). Overall, a common criterion for sexual deviance concerns the unusual nature of the source of arousal, either in terms of anomalous activity (e.g., voyeurism) or in terms of anomalous targets (e.g., pedophilia) (Feierman & Feierman, 2000;Leitenberg & Henning, 1995;Williams, Cooper, Howell, Yuille, & Paulhus, 2009).…”