Kingsport police arrested a man Monday night, accusing him of pointing a gun at an officer while exposing himself, according to a police report.Michael S. Woodson, 38, of Kingsport, faces aggravated assault, among other charges, after police responded to reports of an armed man at the Maple Oak Apartments complex shortly after 8 p.m. When an officer arrived, he found Woodson standing in an elevator with a gun “pointed in [the officer’s] direction,” according to an incident report.