Police are searching for a 77-year-old man who suffers from memory loss who has been missing from the Northwest Side Portage Parkneighborhood since visiting the South Side on Sunday.

Richard Griffin | photo from Chicago police
Richard Griffin recently moved to the 4500 block of North Melvina from the 400 block of West 98th Street, according to a police alert.
He was driving to a function on the South Side on Sunday when he was last seen. Police said his vehicle is a 2004 burgundy Jeep with a plate 9746391.
Griffin suffers from memory loss, police said.
He is described as a 6-foot-3, 230-pound black man with brown eyes, gray hair that is balding, and a light complexion, police said. He was last seen wearing a black Oakland Raiders baseball cap, alack Oakland Raiders jacket, and black jeans.
Anyone with information should call the Area North Special Victims Unit at (312) 744-8200.