I'm still not convinced that Bertram is RJ. I mean, he tried to kill Jane. RJ would never do that, or he would to that but in a classy way. Also, Bertram looks too dumb. It took a group of suspects meeting to discover his identity after 10 years? Come on..

IMPORTANT: In episode 7 Bertram calls someone called "Thomas" at the phone. Thomas is the first name of the sheriff.

[Spoiler] You can see McAllister reaching Patrick in the church in the "Red John" promo. And Patrick running after him in the park. Then, the sheriff is Red John at the end.So, I think that nobody died in the explosion.

P.S. I give up, they we'll never show us Partridge's really dead body. What's the meaning of the burned shoulder? Was TT trying to removed the evidence of the tattoo? They promised to explain his death, but they didn't. He still remains the Red John of my dreams.