Luther the Geek is the kind of regional horror oddity that seems engineered to be discovered on a battered VHS tape in a dusty video store rather than streamed in high definition. Released in the late nineteen eighties and shot on a shoestring budget, the film sits squarely in the tradition of American backyard horror where enthusiasm outweighs polish and sincerity battles incompetence in every frame. What makes Luther the Geek memorable is not that it is good in a conventional sense but that it is relentlessly committed to its own strange identity. It is a movie that knows exactly what it wants to be even if it does not always know how to get there. The premise is deceptively simple. Luther is an escaped mental patient who roams rural farmland and attacks anyone unlucky enough to cross his path. His defining trait is his appetite for human tongues, which he collects with disturbing enthusiasm. The film wastes little time explaining the psychology behind this fixation, and that is part...