Officers are searching for a San Jose man with the mental capacity of a five-year-old child.
54-year-old Hiloito Canseco was last seen walking on Vine Street yesterday.
He never made it back home.
His family said he suffered a traumatic brain injury.
Canseco was wearing a white T-shirt, black Dickey's pants, black jacket and flip-flops.
He also walks with a limp and has a cane.