"Henry: Portrait of a Serial Killer" is a 1986 film directed by John McNaughton. It is based on the life of Henry Lee Lucas, a notorious serial killer. The film presents a chilling portrayal of Henry's violent behavior and his interactions with his friend Otis and Otis's sister, Becky. The movie is known for its realistic and unflinching depiction of murder and its psychological impact. It received critical acclaim for its raw storytelling and performances, particularly by Michael Rooker, who plays Henry. The film has sparked discussions about violence in cinema and the nature of evil.