**_Mundane study of a Sunday School teacher who strangles young women in his spare time_** A disgruntled bachelor in Greater Los Angeles (Eli Rich) hops from job to job while being a faithful churchgoer. He vents his negative energy by preying on females. Shot on weekends in twelve days, “MurderLust” (1985) wasn’t released to video until 1987. Like the slightly superior “Hitch Hike to Hell” (1977), it’s a prosaic psychological study of a serial killer. That flick used The Co-ed Killer as a template, Edmund Kemper. His victims from 1972-1973 were six female students who happened to be…