A silver alert has been issued for 48-year-old Daryl McLemore.
McLemore was last seen wearing a green hoodie with light colored jeans and gray Nike shoes and walks with a cane.
According to authorities, McLemore is in imminent danger of serious injury or death and is currently without his medication.
The alert was issued on December 1 at 12 p.m.
Please contact the Muskogee police Department at 918-683-8000 or Crime stoppers at 918-682-COPS if you see a subject matching this description.