Michael C. Hall, front left, as Dexter Morgan and Lauren Velez as Maria LaGuerta in a scene from Showtime's "Dexter," appear in the undated promotional photo for Season 7, episode 12. (Associated Press)

Michael C. Hall, front left, as Dexter Morgan and Lauren Velez as Maria LaGuerta in a scene from Showtime's "Dexter," appear in the undated promotional photo for Season 7, episode 12. (Associated Press)