Update: Robert Lawson has been found safe.
Original story: The Tennessee Bureau of Investigation issues a Silver Alert for 72 year-old Robert Lawson out of Campbell County.
He was last seen yesterday (Tuesday) afternoon in the area of Pleasant Ridge Road in Lafollette. He may be traveling on a bronze Honda Foreman Rubicon four-wheeler.
He has a medical condition that may impair his ability to return safely without assistance.
Anyone with information please call 1-800-TBI-FIND.
