Synopsys of 6x08 (Red John) :

Patrick Jane finally comes face-to-face with Red John, the serial killer he's tracked since the man murdered his wife and daughter . For 10 years, Jane has droggededly hunted his nemesis in his search for justice.

So... we'll finally know. Just 3 weekends. 

From the beginning i always thought Red John could be Brett Partridge, because of his voice and skills, etc. But now that he is dead (confirmed by Heller and Plotnick), i guess Red John could possibly be McAllister, im just still curious about Kirkland's Brother, after all Bob Kirkland's voice is very alike RJ's voice on the phone. 

Truth is, none of us have the ideia of who could be RJ right now, Heller finally confused everyone hahahahahaha... 

Sorry if i type anything wrong, im from South America.