Michael Paul Napier of Logan County was charged Thursday after allegedly beating his partner with a guitar, according to court records. He was charged with malicious wounding and domestic assault after deputies responded to a report regarding a naked woman, covered in bruises and cuts, yelling for help along Pine Creek Road, according to a criminal complaint filed with the Logan County Magistrate Court. According to the criminal complaint, Napier has two previous convictions of domestic crimes, including domestic assault, and a warrant was issued for his arrest.