Krystina Frye is or was RJ. think about a couple things. she was kidknapped by RJ but she was never found. she was eating with Jane and another person when the comment "roll tide" came up. she was the person who was interviewed by the tv reporter about RJ and next thing you know the reporter is killed. the one thing that sticks is when Jane was about to be killed by the crazy people and then RJ pops a cap in there ass. RJ then says to Jane something about Krytina and says' ROLL TIDE'. who else would have known this? I suspect Stiles is Krystina's father. Grace is her connection at the CBI. if Krystina is not RJ I would bet she was at the start and the writers decided to go another direction. that I will never know.