HENDERSON, Tenn. (AP) — A final autopsy report confirms that a 2-year-old West Tennessee boy who was the subject of a week long search died of hypothermia and that his death was an accident.

The report from Dr. David Zimmerman of the Center for Forensic Medicine there said there was no sign of violent trauma or broken bones or any evidence of poisoning in the death of Noah Chamberlin of the Pinson community.