NASHVILLE, Tenn. (WSMV) – A Silver Alert has been issued for a 73-year-old man last seen Saturday afternoon in Madison, Metro Nashville Police said. Police said John Hambrick was last seen around 1:30 p.m. outside Dollar General, 601 Gallatin Pike, in Madison. He is 5′11″ with gray hair, mustache, goatee and glasses. He has Alzheimer’s and takes needed medication, police said.