The Minstrel Killer(2009)

When a series of haunting murders plagues a small Texas town, law officers Tex Holland and Pike McGraw lead the investigation. The murders turn out to be the most shocking and vile acts of sadism to ever hit the once peaceful community. With a dangerous killer on the loose re-enacting slave punishment on his victims, the cops must face their own personal demons as the murder spree throws them into a dangerous world of mercenary hillbillies and inbred cannibals.