from vol. 6, she was abducted from her job at all night con. store,raped and murdered.On UM favorites vol. 6.Heres an update:

http://www.sptimes.com/News/051900/Hillsborough/DNA_key_in_11_year_ol.shtml

Unfortunately there's an update to the update. Even though his dna was found on Eileen the killer wasn't convicted. Here's a thread with a lot more info on it:

http://www.sitcomsonline.com/boards/showthread.php?t=171237&highlight=eileen+mangold