TV Guide reveals that in episode 8 there is a shock revelation that JR is behind Pam’s disappearance. An interview with Jesse Metcalfe teased the upcoming episode.

“All hell breaks loose,” Metcalfe teases. “As we peel back the layers of the onion, a lot of things come to light. J.R. was attempting to set something in motion, and that involved Pam. I can’t reveal more, but I’m excited about the possibility of Victoria Principal coming back to the show.”

With speculation that JR will be murdered could it be Pam that finally does away with him?

http://www.ultimatedallas.com/dallasnews/2013/02/19/spoiler-pamela-ewing-dallas/