A series of brutal murders targets cheerleaders in a town situated along the Ohio River in Western Pennsylvania. The question is, who’s responsible—a creepy janitor at the local high school, a neighborhood tough guy, or someone else entirely? “The Majorettes,” an American film from the mid-1980s, initially appeared in Italy in 1986, then the UK in 1987, and finally reached the United States in 1988 through video r…