A dangerous killer is stalking Spokane, and it turns out all of his victims were former romantic partners of a local police officer—played by Ray Liotta. The film poses the question: what's the killer’s motive for targeting these specific women? Ving Rhames portrays the police captain, while Christian Slater appears as an FBI agent. “The River Murders” (2011) fits within the genre of dark and disturbing murder mys…