Killing of the Dolls (1975)
A groundskeepers son, who is mentally unstable due to childhood trauma, goes on a murdering spree where his perception of reality is distorted by imagining people as mannequins and vice versa
The Feast of Satan (1971)
A woman searching for her missing sister arrives at a small coastal village, where her sister was last seen Unknown to her, her arrival has been noted by a crazed scientist, who has designs on her