The objective of this study was to investigate how childhoodtraumatic experiences, attachment qualities with parents and peers and perceived parenting style contribute to psychopathic behaviours among inmates. A sizeof 270 institutionalised participantsresponded to a questionnaire comprising items from the Levenson’s Self Report Psychopathy (LSRP, α = .83), Early Trauma Inventory Self-Report Short Form (Cronbach’s α = .89), Parenting Style Inventory-II (Cronbach’s α = .75),and Inventory of Parent and Peers Attachments (Cronbach’s α = .83).The results showed that early childhood experiences of sexual abuse showed significant prediction of psychopathy[β =.24, t = 2.63, p <.05].Alienation in attachment quality significantlypredicted psychopathy[β = -.19, t = 3.01, p < .01]. Similarly, parenting style autonomy-grantingsignificantly predicted psychopathy [β = .25, t = 3.64, p < .01]. The study concludes that the experience of childhood trauma, the quality of attachment and parenting style could have implication for psychopathic behaviour pattern