ANARDARKO, Oklahoma – An 83-year-old man who disappeared has been found dead near Wichita Falls, Texas.

The Anadarko Police Department issued a Silver Alert for John Wolfe on Sunday, September 18. He was last seen that morning in Anadarko wearing a t-shirt, boxer shorts and one black shoe.

According to the Texas Highway Patrol, a man found Wolfe dead in his Chevrolet pickup truck the morning of Tuesday, September 20. The vehicle was on State Highway 82 near Wichita Falls.

Wolfe was diabetic and left the house without his insulin. Foul play is not suspected in his death.