Uh. We were all upset about the untimely cancelation of the show. But if you really want to know what happens, or what might have happened, you can visit the atchive and read TUFS (The Unaired Fifth Season), or S5 & S6.
Julie
Mulder: Imagine if you could come back and take out five people who had caused you to suffer. Who would they be? Scully: I only get five? Mulder: I remembered your birthday this year, didn't I, Scully?