RICHLAND, Wash. - Robert Scott, the 60 year-old who passed away Sunday January 13 had his autopsy Wednesday.
Action News learned that Scott's autopsy revealed no obvious signs of physical injury.
The autopsy also didn't show any medical cause for Scott to drive off the road.
His cause of death was brain damage due to a lack of oxygen.
The coroners office is in the process of collecting blood that was drawn at the hospital and is currently running tests.
The tests will take about 4 weeks.