An autopsy of a Jeep tour driver who died along with two others in a backcountry accident last month found no evidence of a medical event preceding the accident, nor any drugs or alcohol in his system.

The medical exam conducted on the body of 72-year-old Don Fehd revealed he did not suffer a health condition such as a heart attack or stroke before driving off a cliff about 3 miles up County Road 361 on the morning of Sept. 12, Ouray County Coroner Colleen Hollenbeck told the Plaindealer. Toxicol...