Just one page on introduction and biography. Majority part of the paper would be based on PCL- Traits including definitions of each trait and identification of the person basis on the checklist whether he is a psychopath or not, by giving scores(0,1,2) for each trait. Also use four-factor model of psychopathy. Conclusion includes the final assessment out of 40 and determination as to whether your case study meets the cut-off for psychopathy.