Autopsy shows Avinger man died from smoke inhalation during fire By KLTV Digital Media Staff | May 12, 2021 at 3:52 PM CDT - Updated May 12 at 4:42 PM CASS COUNTY, Texas (KLTV) - A preliminary autopsy shows a manâs death was caused by smoke inhalation after his home caught fire on April 14. According to the Cass County Sheriffâs Office, Terry Lynn Grant, 62, was found just behind the front door after the fire was extinguished. He had been using a walker after a recent surgery and was being looked after by a friend. Investigators say the cause of the fire looks to be accidental.