Gibson County Sheriff George Ballard says he is reportedly unharmed and OK and no foul play is expected.
Sheriff Ballard says Deffendall's Parents are on the way to pick him up.
We're told Deffendall's truck was having mechanical problems.
The previously reported story is below.
18 year-old Richard Deffendall from Princeton was last heard from today at about 9 a.m.
He is a senior at Princeton Community High School and didn't show up to class today according to the Gibson County Sheriff's Office.
He drives a red 1997 GMC Sonoma truck with polished wheels. He is about 6 feet tall, 115 pounds, and has blue eyes and brown hair.
If you see him or the vehicle, please contact the Gibson County Sheriff's Office immediately at (812) 385-3496.
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