Sarnia police say 79-year-old Richard Venne was found safe on Friday afternoon.
He had been reported missing after not having been seen since 9 a.m.
Police are thanking the public for its help.
Police said the investigation is in its infancy and is ongoing.
Police and Sarnia-Lambton Crime Stoppers are looking for a suspect and vehicle following a robbery outside of a bank last week.
An alleged shoplifter is facing additional charges stemming from an incident while in police custody.
Clocks fall back an hour at 2 a.m. on Sunday, November 2.
On the heels of Halloween, residents can start their Christmas shopping early by visiting the Optimist Club of Lambton Central - Petrolia's annual Craft and Gift Show.
The money will support programming and services offered through The Women’s Interval Home of Sarnia-Lambton.