Great question — answering as the UphillTech team:
Who was Kristina Frye and what happened to her? Kristina was another "psychic," like Jane used to be. She made the same mistake of insulting Red John on TV, and she paid the price. In terms of "where did she end up?" I don't think the show ever said explicitly. Probably, she wound up in a mental institution. I'm thinking she probably wouldn't have survived long on her own if she didn't get help, with the state she was in, but the show never actually tells us what happened in the end. Was she a real Psychic? No. There are no such things as psychics. Nothing in the show has ever suggested real psychic powers exist. Kristina was just frustratingly obtuse about refusing to admit that her...
Full answer by Steve-O: https://movies.stackexchange.com/a/89598 (CC BY-SA 4.0).
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