42-year-old Donald Eugene Clinkenbeard faces up to five years in prison after pleading guilty last month to Domestic Abuse Assault. The conviction stems to an incident that occurred in October in Knoxville. Clinkenbeard has several other charges pending and has been arrested at least eight times now on domestic abuse assault. He also pleaded guilty to tampering with a witness after admitting he threatened a witness to one of the assault cases via text. He will be sentenced on December 28th.