Sergeant Roebuck

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He is one of the many characters in on the secret of Joy. He was in the House of Anubis talking with Victor when Victor told him "Joy has been buried, end of story." He called Patricia saying that he called Joy's parents and that she was safe and living at home, which is obviously a lie. He also faked an email to Patricia from Joy saying that she had to leave the school because her dad had to take her out quickly.