Thirty years ago, “The Silence of the Lambs” terrified audiences worldwide — along with its two stars. As directed by Jonathan Demme, the R-rated blockbuster didn’t just rely on blood and guts to haunt viewers’ nightmares. It was a cerebral horror movie, one that exorcised our deepest fears to paint a portrait of unadulterated malevolence. By now, the story is familiar to most: Based on the best-s