THE MENTALIST Season 5 Episode 22 Red John’s Rules Promo : “Red John’s Rules” — Just as Jane narrows down the Red John suspect list to seven, Red John strikes at a victim with links to Jane’s past, on the fifth season cliffhanger finale of THE MENTALIST, Sunday, May 5 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Laura San Giacomo guest stars as social worker Miriam Gottlieb.
