Bret Stiles can´t be RJ-not because he´s too old ,but because  head of a "church" being a Serial killer in an US TV Show might be too offensive to Tom Cruise and his buddies...

i think it´s kirkland.sometimes the obvious is the less exspected.

and please stop this anagramming everything and sign reading Thing.
7 swans,8 pidgeons...who ´cares?
I´m looking Forward to a great final Episode! Keep guessing!