She had a vendetta against a Vassar professor named Foster who had something to do with the anthrax case and Hatfill.
That's all I remember, honestly, but saw her post and saw it happen - zotted within minutes. I was still a lurker back then. It was years ago.
Have you known about AnnieMuss? - (wondering if she is this gal that has that tapes and emails)
you have to read this! (If AnnieMuss is this gal then here are more details and they really seem to fit Karr's personality and possibly why he did it - take it for what it is or is not)
http://www.jonbenetindexguide.com/05292003Story-AnnieMuss.htm