The Sherman Police Department is seeking help in locating an 86-year-old missing person.

Sgt. D.M. Hampton sent out a missing person/silver alert Tuesday afternoon for Patrick Clarence Maynard, 86, who was last seen Monday around 6 p.m. in Sherman.

"He has been diagnosed with Dementia," Hampton said in the release. "He left driving a 2017 red Chrysler Pacifica, Texas license plate: HYW5156. He is possibly in route to Abilene, Texas. His credit card was used in the Weatherford, Texas area around 11:30 a.m. this morning."

Maynard was described as a white male, five feet, 9 inches in height and weighing 190 pounds.

"Please contact your local law enforcement if this person or vehicle is found," Hampton said.