http://tinypic.com/r/dz6ukz/5 if you look at this pic from the promo it looks like Sean Barlow and the voice in the end of the promo also sounds like his. It could also be Brett Stiles but Stiles doesn't have as much physical ability to run and smash through a window. The promo for the next episode is here: http://www.youtube.com/watch?v=ExwMYqY0Uo0 . Personally, I think it is Partridge because of this extremely convincing theory: http://www.whoisredjohn.com/See-a-theory-Red-John/11685 enjoy!