COLUMBIA, S.C. (AP) — A white South Carolina restaurant manager has pleaded guilty to abusing and enslaving a mentally challenged black employee, according to federal prosecutors.

Bobby Paul Edwards of Conway pleaded guilty Monday to one count of forced labor, according to Acting Assistant Attorney General John Gore of the U.S. Justice Department's Civil Rights Division and South Carolina U.S. Attorney Sherri A. Lydon.

Between 2009 and 2014, prosecutors said that he admitted using violence, threats, isolation and intimidation to compel a man with an intellectual disability to work for more tha...