CASS COUNTY, Mich.—K-9 Nellie located a missing elderly man on September 12, according to the Cass County Sheriff.

Deputies responded to the 26000 block of M-60 around 8:45 p.m. for a missing 70-year-old man.

Michael Cox of Cassopolis had reportedly walked away from his home and had not returned and his caretaker was concerned due to Cox’s medical issues.

Cox had been missing since 6 p.m. and search efforts had been unsuccessful in the wooded area near the home.

K-9 Nellie was able to locate Cox in a swamp behind his home about five hours after he went missing.

Cox was treated by medical personnel and was able to return home, police said.