"The Death Eaters must assume that capture is a possibility," Neville explained. "If that happens, Percy here could be carrying anything to use as a last resort ... a poison to release into our air, an item spelled to explode when he reaches our sanctuary. Hell, we even heard tell that they were experimenting with a form of blood magic that would turn a person's very cells into mini bombs. Who knows what Percy could be hiding under that freckly skin of his."