Although Dexter Morgan kills only killers, he is not a vigilante but a charming psychopath. His gory appetite is controlled by 'Harry's Code', which limits his victims to those who have gotten away with murder, and his job as a blood-spatter expert for the Miami police department gives him the insid...

Although Dexter Morgan kills only killers, he is not a vigilante but a charming psychopath. His gory appetite is controlled by 'Harry's Code', which limits his victims to those who have gotten away with murder, and his job as a blood-spatter expert for the Miami police department gives him the inside track on those targets.