A decomposed body is found on the side of a Birmingham interstate and detectives unearth a tortuous route that led to murder. Also: Charlottle detectives search for a killer who shot a man behind his girlfriend's house.
A man is shot and run over in Tulsa, but detectives receive conflicting stories that hamper the investigation. Elsewhere: a gunman opens fire in an Atlanta nightclub and authorities turn to surveillance video to identify the shooter.
A Somali girl is executed in Minneapolis and authorities uncover a secret relationship of hers; in Tulsa, a house party spirals out of a control, leaving a young man dead as the result of a desperate and dangerous killer.