Believing that his superstitious Cajun wife is trying to kill him, a man tries to murder her first.
"Walter Krauss used to cut his fingernails over the kitchen sink."
Weird Tales (May 1946)
Adapted for the film Asylum (Amicus, 1972).
Chamber of Horrors (1966)
Complete Stories of Robert Bloch -- V 1: Final Reckonings (1990)