Sin in '69

Name: Sin in '69
Director: Carl Coriell
Genre: Horror
Released: 1969-01-01
Rating: 3.8
Cast: Buffie Jeanine Westfall, Sue Guren, Leslie Dean, Bonnie Cooper, Mike Garrison

Ginger and Curt, a weirdly incestuous brother & sister act, throw swinger parties for the neighborhood trash, but a mysterious killer in white shoes is strangling their guests.