Murder and mayhem will captivate audiences at the latest Cumming Playhouse show. “Death Trap” by Ira Levin, who also wrote “Rosemary’s Baby” and “The Stepford Wives,” began a 16-performance run Thursday.The show, a Gypsy Theatre Company production, continues Thursday-Sunday through Nov. 4. Director Russ Ivey said the story focuses on a struggling playwright who finds a potential hit in the work of one of his students.