DAMASCUS, MD — Detectives are asking for the public's assistance in locating a missing 60-year-old man who suffers from dementia. A Silver Alert has been activated by the Maryland State Police.

Orlando Walter Brown was last seen in Damascus at about 9:30 p.m. Wednesday night, police said. He is believed to driving a silver/gray 2008 Ford Focus with Maryland tags 4BW7737.

A Silver Alert is a public notification used to speedily broadcast information about missing persons – especially senior citizens with Alzheimer's disease, dementia or other mental disabilities – in order to help locate them as soon as possible.