geetha natarajan, a pathologist with the state coroner's office. >> the first thing i noticed is the level of preservation and the condition of the body being fair. the second most important finding was that the external body surface failed to show any injury. there were no bruises. there were no brush burn like he was dragged by a vehicle. >> dr. natarajan discovered four linear fractures along the back of the skull. one, a depressed, circular fracture was not noted in the first autopsy. this blow by a hammerlike object to the back of the head did not happen from being hit by a car. >> you can't take an automobile and make it and have a person's skull being struck by a small area of 1 1/2 by 3/4-inch. >> and there were wood splinters around the wound. >> well, first of all, under a car or in front of a car, there is no wood. why would there be wood splinters in the skull? >> this was never mentioned during the first autopsy, nor do i believe that an autopsy or a full examination of the skull was ever done during the first autopsy. >> there were also no broken limbs, virtually unhear