There have been some recent updates in this case. They are trying to link Christines murder to a serial killer in that area by the name of Derrick Todd Lee. According to to the stories he has been linked to serveral murders in the Louisiana area. The following links have more information on the story:
http://www.wwltv.com/local/stories/0....5b5f0adb.html
http://www.crimelibrary.com/serial_k.../4.html?sect=2
http://www.cbsnews.com/stories/2003/...in555581.shtml