‘Roll Tide,’ the phrase that Kristina used when talking to the waiter in the first of the episode, was the last thing Red John said to Jane. Notice Red John also used present tense when speaking about Kristina. “She’s so fond of you” or something to that effect. RJ’s voice sounded female initially. Plus, when you go back to her previous appearance on the show, she knew entirely too much about Jane’s wife and daugther’s murders.