Watch Series: Murder by Numbers Released in (2017) - Season 2 produced by USA, The TV Series categorized in Crime, Documentary, and content rating TV-14 with duration 42 min broadcasted as these networks Investigation Discovery, Streamed at Putlocker & directed by Geoffrey Proud, Lauren J. Przybyszewski. Each episode of this true-crime series begins with the grisly discovery of a body and the onset of an intense investigation. When police think they've solved the case, shocking twists sends each investigation into the depths of evil. - Season 2