. >> prosecutor dan feinberg got the autopsy results.pful. >> only half of the bones in her body were recovered. and some of the more important bones like the -- which would show whether or not they right have been a choking or strangulation, we're not recovered. >> the medical examiner though found evidence that four of towers ribs were fractured. >> a perry more turn fracture, he at the time of desk. >> so there is a big slam into her ribs somehow? ? >> the medical examiner found there was evidence of a violent struggle. there was evidence of blunt force trauma. and that would contribute to her death. >> detectives scoured the woods, looking for anything that might tell them something. they found a belly button ring in the bones. the kind tara wore, sharon confirmed. and the remnants of only one piece of clothing that belonged to her. a pair of panties. but no here, no fiber, no dna of any kind at the scene that would help them i. d. the color. >> it was frustrating for the family. it was frustrating for the detectives. and it was frus