Watch The River Murders Full Movie Free Online 123Movies. The sins of the past are not forgotten in this chilling suspense thriller. When the first body was discovered, it seemed a coincidence. But now homicide detective Jack Verdon has cause to worry: the victims of a series of brutal sex murders are all his former girlfriends. Suspected by the FBI agent who’s taken over the case and suspended by his captain, Jack must work outside the law if he’s to find the killer, save his future and protect what’s left of his past.