Police say an 83-year-old man went missing from his home in Philadelphia's Crescentville section.
They say Celhomme Laroche walked out of his front door around 12:30 p.m. Friday on the 5200 block of Pennway Street.
His family told police that Laroche suffers from Alzheimer's and has hallucinations.
The family searched the area for three hours, but with no results.
Police say the man has no money or cell phone on him.
Anyone one with information is asked to contact police immediately.