Guys, let me start this gently... I know most of you are feeling let down, or tricked by Bruno Heller and his screenwriters, but let me share my theory, or at least what I think the show has been trying to build up right from the start. Red John is and always will be a mask, no matter of the man behind that mask. Red John doesn't die with McAllister! RJ is an idea, it's a belief, it's that thing you follow on instinct not on facts. For all we know the sheriff might not even be the person behind that mask, and even if he was, the next one will take his place right away. All those things have been left for the viewers to get, ....to comprehend. And many of you in your hate just missed up on all those little things we got hunched. It is as if everyone expected a superman behind that mask ... an immortal man, not afraid of anything. Well.. here the writers hit the main idea, RJ can be afraid, can be desperate, once his mask is peeled off, once he isn't RJ anymore. This proves my theory in some ways.
  Just think about it, this is all I'm asking. In some ways, this is a brilliant end of the RJ saga, an open end which just makes you think, which has been the whole idea of the show.
  Just a mask...