Lisbon's team arrives at the office to find that Bosco's team has been shot and killed, while he is in critical condition. Through the investigation, it turns out that Red John was behind the attack and that it was orchestrated as Bosco came closer to finding him while investigating a recent crime. Someone impersonating a CBI agent then picks up and destroys all of the evidence relating to the case.
Nielsen Rating: His Right Red Hand was seen by 15.85 million people, and was rated 10.0/17 in households, 4.9/13 in adults 25-54, and 3.7/11 in adults 18-49. Of all the shows in this time slot, The Mentalist won.