Zach Hamilton was a Character in Season Eight of the Showtime series Dexter. He was the son of Ed Hamilton, a rich friend of the Miami Metro Police Department's. A young budding serial killer, he killed a woman named Norma Rivera to try and stop his father's affairs, which were ultimately hurting Zack's mother. After learning of Zack's guilt, Dexter Morgan puts Zach on his kill table to prevent him from harming any more innocent citizens. However, after hearing Zach's side of the story (that he was killing for his mother's sake), Dexter comes to see the similarities between Zach and himself, and so decides to take Dr. Vogel's advice to take Zack under his wing and teach him The Code of Harry, in hopes of teaching Zack to "focus" his urges constructively. Nevertheless, Zack becomes the four