Five traits of a psychopath you must never ignore — clinically grounded and backed by the evidence. #psychopath #trauma #mentalhealth #narcissist #darktriad \t1.\tHare RD. The Hare Psychopathy Checklist—Revised (PCL-R). Multi-Health Systems; 2003. \t2.\tWorld Health Organization. ICD-10: F60.2 Dissocial Personality Disorder. WHO; 1992. \t3.\tBlair RJR. “Neurobiological basis of psychopathy.” Nat Rev Neurosci. 2003;4(7):517–527. \t4.\tPatrick CJ, Fowles DC, Krueger RF. “Triarchic conceptualizatio