If I could see your video or photographic evidence of the actual event, just prior to her dropping down inside the vehicle, I might be able to make a comment.
Some pix of the vehicle and the sunroof latch (as well as a couple of supposed x-rays) here:
http://www.huffingtonpost.com/2007/12/28/bhuttos-skull-xray-blo_n_78599.html