Jane pronounces Lisbon's first name 'Tereza' at 1:29 -1:30 of this link, EXACTLY like RJ pronounced it when he called Jane at the end of S6E1. Freaky!!
Compare them! Heller mentioned a huge clue was in the final scenes of S6E1!
http://www.youtube.com/watch?v=wZlbenF4_PQ
Pay close attention how RJ says her name. It is very distinct.
Now listen to Red John when he calls Jane. Link Below.
http://www.youtube.com/watch?v=-mYSnFVipYA
How do you find this theory?
plausible
unlikely