High Quality Content by WIKIPEDIA articles! "The Damage a Man Can Do" is the eighth episode of the third season of the American television drama series Dexter, which first aired on November 16, 2008 on Showtime in the United States. The episode was written by Scott Buck and directed by Marcos Siega. In the episode, assistant district attorney Miguel Prado (Jimmy Smits) asks Dexter Morgan (Michael C. Hall) for his assistance in killing a murderous gambler. Meanwhile, Dexter`s sister Ofr. Debra Morgan (Jennifer Carpenter) finds her boyfriend and informant Anton Briggs (David Ramsey) to be missing after she tells him that he is no longer legally obligated to work for her.