“…Psychopathic personality disorder, which can be conceptualized as a more severe version of antisocial personality disorder (Coid & Ullrich, 2010;Yoon et al, 2021), is characterized by longstanding problems with empathy, manipulativeness, irresponsibility, impulsivity, dishonesty, and a pattern of social misconduct (Cleckley, 1941(Cleckley, , 1976Cooke et al, 2012;Hare, 2003). Considering the substantial intraindividual comorbidity of personality disorders (Mullins-Sweatt, 2013;Widiger et al, 2009;Widiger & Trull, 2007) and the conceptual and empirical overlap between BPD and PPD (Miller et al, 2010;Pauli et al, 2018;Viljoen et al, 2015), an established body of PPD COI research may be expected. Yet, this reasoning does not prove true.…”