The only one PJ really wanted to be at the house when he gathered his list of suspects was Mr.Stiles, cause he is the only one who knows who RJ is, PJ wanted to se his reaction when he said

One of you is RJ.

Bret Stiles just laughed like

You don't know anything, you really don't have a clue , do you ?

PJ always says that body language gives you away if you are lying or hiding something, so I really dont think any in the room is RJ, but I can be wrong and most likely I am.

I had my money on Partridge, and Mr. Stiles being his dad, but after joining this forum and read all the theories about other suspect I find them plausible as well , so I'm really in the dark, now I just look forward to the big reveal, and hope we get the best confrontation we all deserve, regardless who play the part as RJ.

*SPOILER ALERT*

the red john episode is about the past and explaining few things that we didnt know, thats why bob kirklad and partrige and... are included in this episode

I just tried to update IMDB and while I had the option to update some of them I was unable to update Mashburn's character. This is now what I think: We will find out at the end of "The Great Red Dragon" who RJ is and since that was supposed to air last night, IMDB had it set up to list RJ in the credits for "Red John" the day after "Dragon" was supposed to air. It didn't get updated with the switch and now we know who RJ is. Prove me wrong, somebody update IMDB if it can be changed.

i want the next mentalist villain to be called blue bob