I think if there is any chance Red John turns out to be a woman it has to be Kristina Frye.I didn't think too much of her at first but in the season 2 finale I was really suspicious of her with a lot of things not adding up like at the beginning when she claimed to have read the waiters mind when she said roll tide and later Red John said the same and we now know that Red John is someone Jane knows and he would have recognised RJ at the restaurant but he didn't recognise anyone because there was no on there to recognise just Kristina.

Also in that episode Kristina went on TV about RJ.I can't think of any one that would do that unless they know they won't be killed by RJ which surely means she is RJ or knows him well enough so he won't hurt her which he doesn't because he kills the woman asking the questions.

Kristina is also a tea drinker like Red John and we know she definitely shows an interest in Jane like RJ would and there isn't a better way to get close to Jane as going on a date with him.Kristina also believes she is a psychic and thats how she knows that Jane's wife had her toe nails painted in her own blood so if she isn't psychic she is Red John and Jane doesn't think she is psychic but just good at guess work like Jane so both ways she still could be Red John.


If she isn't Red John she had to be involved somehow.