The story of 19-year-old murdered Brian Blackwell, whose confidence, charm and intelligence masked a serious underlying personality disorder which caused him to be obsessed with fantasies of power and brilliance. He took out credit cards in his father's name, and when his parents quizzed him about how much he spent on his lavish lifestyle, Blackwell savagely stabbed and beat them to death before treating his girlfriend to a luxury holiday the following day as if nothing happened. (thetvdb.com)