Red John is Bob Kirkland. From the previous episode the descriptions of Red is middle age in good health, doesnt have many friends, well spoken, excellent whistler, damaged narcisstic personality disorder, deceptive in emotional makeup, not needed for distractions. Clearly Bret Stiles is older than middle aged, even though he is a narcisstic individual. Bob kirkland is obviously middle aged, speaks well in a haughty body language, and very careful when he speaks. Its almost he had suffered from a speech impediment as a young child. Who agrees with me? :)