Lone Star (1996)

John Sayles' murder-mystery explores interpersonal and interracial tensions in Rio County, Texas. Sam Deeds is the local sheriff who is called to investigate a 40-year-old skeleton found in the desert....As Sam delves deeper into the town's dark secrets, he begins to learn more about his father, the legendary former sheriff Buddy Deeds, who replaced the corrupt Charlie Wade. While Sam puzzles out the long-ago events surrounding the mystery corpse, he also longs to rekindle a romance with his old high-school flame. Sayles' complex characters are brought together as the tightly-woven plot finally draws to its dramatic close.