I really think people have over analysed (me included) the whole show, therefore making it more difficult to find the identity of RJ. If we go back to the basics and try to piece the story together we will get our answer. US shows have poor endings people will be dissappointed, a lot of questions will be left unanswered once the reveal happens because thats how TV shows work they come from so many angles that a lot of the things that happen become unexplainable, e.g. why didn't Harker feel the face of everyone on the list" "If _____ is RJ then who did ____ in a so called episode  even though RJ was doing ____etc etc" Think of it like Scooby Doo tv show RJ will be someone that's not too obvious but not too hidden just like the villains in Scooby Doo. I think Heller originally planned on it solely being Partridge but as the show became a hit he began exploring other avenues and now is trying to untangle it all as it was slowly turning into a big mess. It may still be partridge though etc . Also Van Pelt is linked to Ray (the footballing connection) he could be her dad/brother i dont know. Jane will go on the run after the episode "Red John."  Also the writers visit this website too, they are clever but not as analytical as many of the theories. Remember simplicity = The identity.