Complex sentence: Horry County has its own police force, the Horry County Police Department which provides 24 hour services to the unincorporated areas of the county and is the only remaining county police department in the State of South Carolina.
Split into simpler sentences: Horry County has its own police force, the Horry County Police Department, which provides 24-hour services to the unincorporated areas of the county. It is the only county police department in the State of South Carolina.