La señora Muerte (released in English in the US as Madame Death and in the UK as The Death Woman)[1][2] is a 1969 Mexican horror film directed by Jaime Salvador and starring John Carradine and Regina Torné.
[3][4][5] When her elderly husband suddenly dies, and she in turn is affected by a condition that disfigures half of her face, Marlene (Regina Torné), a fashion entrepreneur, is forced to turn to Dr. Favel (John Carradine), a mad scientist who tells her that the solution to both predicaments is to bring him fresh blood from young women, for which Marlene turns into a serial killer.