Deep Crimson

Deep Crimson 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.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.