STILLWATER, Okla. (AP) - A 14-year-old Stillwater girl has been arrested on a first-degree murder charge in the shooting death of a man in Ripley.

The Oklahoma State Bureau of Investigation says the teenager was arrested at a home in south Stillwater in connection with the death of 45-year-old Mario Smith Sr. The murder charge was formally filed Friday.

Smith was found dead in his home April 21 with a gunshot wound to the head.

An affidavit filed in the case says the girl is believed to have shot Smith because Smith had previously beaten the girl's mother.