Lydia Faulk is the villainous District Attorney who appeared in "Il Tavolo Bianco." She made a monetary deal with John Ocardo, who killed a man named Elijah Macey. She tampered with the grand jury and presented the case in such a fashion that Ocardo would avoid indiction. To catch Lydia, a sting was set up which included Patrick Jane testifying over his role regarding the death of Thomas McAllister, aka notorious serial killer Red John. Lydia was arrested after the indictment of Ocardo.