Vancouver police are asking for the public's help finding Edgardo Nobleza, 66, who was last seen May 11.
Nobleza is described as 5 feet, 7 inches tall with black hair and brown eyes. He likes to wear baseball caps and has glasses.
He frequently visits the Barnes and Noble bookstore and the movie theater at Vancouver Plaza, according to a Vancouver police news release.
Relatives told police he is showing early signs of dementia and takes medication.
Anyone with information on Nobleza's whereabouts should call missing person Detective Jeremy Free at 360-487-7419 or 911.