**_Haunted memories_** A troubled Vietnam vet is senselessly murdering young women in St. Louis where two detectives are on the case (Turk Cekovsky and Terry TenBroek), working closely with the roommate of one of the victims (Debi Chaney). “Delirium” (1979) starts out like “The Centerfold Girls” and “The Toolbox Murders,” but takes an interesting turn after the first act. The less you know, the better. Unfortunately, the back cover text of every video format gives away the plot after the opening paragraph. I’ll just say that the flick comes across as a ‘B’ version of a 70’s Harry Call...