UPDATE: David Humphrey has been located and is safe!
Amarillo Police are searching for an elderly man who was last seen on August 20th.
73-year-old David Humphrey has heart problems, is diabetic and has dementia.
David left home in a 1998 red Chevrolet pickup bearing Texas tag# BZ9-1695 and could possibly be headed to Tennessee.
He did not take his medication, wallet, or cell phone.
He was last seen wearing denim coveralls and a gray or blue long sleeve shirt.
Anyone who sees David or that knows his location is asked to call the Amarillo Police Department at 378-3038.