The Tennessee Bureau of Investigation is looking for a teen they say may be armed with a weapon out of Knoxville.
TBI officials say 16-year-old Donovan Smith has a known medical condition and believed to be without his medication. He was last seen Friday and may be wearing a black hoodie, blue jeans, dark blue shoes and a red beanie hat.
Anyone with information is asked to call 1-800-TBI-FIND.
