Robert Kirkland is the alleged serial killer Red John. On season 5, episode 5, a woman named Alexa Schultz calls the director at the time (Virgil Minelli) and requests that he gives updates on the RJ case. She told Minelli she works for the FBI an that her boss would appreciate what's going on in the case. Minelli agrees, and has no idea that RJ was in the same car as Alexa. They revealed Robert Kirkland as Red John and the scene ends. (He also works in the FBI.)
