I actually think she is not Red John cuz obvi he is a guy. hE IS. But you known how Jane accuses than someone is working in the FBI for RJ? But I also think that Van Pelt is working with RJ and the guy from FBI if there is one. Someone else said this and I agree as well: that she joined shortly after Jane joined CBI and also most associates of RJ wear red (she has red hair and Lorelei had that red jumpsuit )