Dave Robicheaux is a fictional character created by author James Lee Burke. He is a detective in Louisiana, known for his deep sense of justice and complex personality. Robicheaux often grapples with his past, including struggles with alcoholism and the impact of his traumatic experiences. Set against the backdrop of the American South, Robicheaux's stories explore themes of morality, family, and the environment. He frequently encounters a range of characters, from criminals to local residents, as he investigates various crimes, often revealing the darker side of human nature and the region's history.