Deep Crimson (Spanish: Profundo carmesí) is a 1996 Mexican crime film directed by Arturo Ripstein, written by Paz Alicia Garciadiego and starring Regina Orozco and Daniel Giménez Cacho. Like The Honeymoon Killers before it, the film is a dramatization of the story of "Lonely Hearts Killers", Raymond Fernandez and Martha Beck, who committed a string of murders of women in the 1940s.