Henry: Portrait of a Serial Killer Movie Wiki

 He returns to find Otis strangling Becky after raping her. Henry kicks Otis off her and a fight ensues. Otis gets the upper hand and smashes a beer bottle onto Henry's face. Otis is about to kill Henry when Becky stabs Otis in the eye with the handle of a metal comb. Henry stabs Otis to death and dismembers his body in the bathtub, telling Becky that calling the police would be a mistake, and that they need to deal with the situation themselves.
After packing, they dump Otis' body parts in a river and leave town. Henry suggests that they go to his sister's ranch in San Bernardino, California, promising Becky they will send for her daughter when they arrive. In the car, Becky confesses that she loves Henry. "I guess I love you too," Henry replies, unemotionally. They book into a motel for the night. The next morning, Henry leaves the motel alone, gets into the car and drives away. He stops at the side of the road to dump a suitcase in a ditch before driving off again. Blood stains are shown on the suitcase as the camera zooms in, implying that Becky was killed by Henry and that her body parts were placed into the suitcase.