Grey Bruce OPP is asking for assistance with a missing person investigation from Grey Highlands.
Police say they have an update after the original notice went out on Jan. 29 when 67-year-old Robert Hamilton was last seen in Markdale on Jan. 28 at 7:30 a.m.
Police say it is believed Hamilton may have been picked up near the Markdale Tim Hortons by a silver Ford F150 driven by an unknown male, and it is possible Hamilton may be on his way to Ottawa.
Police say they are looking to speak to the driver of the Ford F150 in regards to this investigation.
Hamilton is described as a white male, 6’1″, 150 pounds with a slim build, short grey balding hair, beard and moustache, green eyes, and wears glasses.
Anyone with information is asked to call OPP at 1-888-310-1122 or Crime Stoppers at 1-800-222-8477.