The family of Mike Plain Bull is continuing its search for the man they say has been missing since Dec. 12.

Plain Bull, a 23-year-old Pryor resident, was last seen just after 7 p.m. leaving the West End Wal-Mart in Billings, according to his aunt, Terry Plain Bull. Mike Plain Bull is 6 feet tall, 160 pounds with brown hair and brown eyes. He was last seen wearing a black hoodie, a gray shirt, blue jeans and black Nike tennis shoes.

Plain Bull was driving a green 1996 Ford Explorer with Montana license plate 22-17407. He was alone in the vehicle.

The Explorer was found a week later abandoned on the the road between Pryor and St. Xavier, about 1 ½ miles out of Pryor, Terry Plain Bull said. The family and others have looked for Mike Plain Bull but have been unable to find him.

Law enforcement agencies wouldn't comment about the missing man.

Anyone with information is asked to call Terry Plain Bull at 406-259-2320 or 406-702-3972. Or call the BIA Police Department at 406-638-2631, Big Horn County Sheriff's Office at 406-665-9780 or the FBI at 406-896-3243.

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