sentences:  The following day, Locke still does not believe Jacob is real, and says he will expose Ben as a fraud.Locke notices that Ben is leading them back by a different path, and Ben then leads him to mass grave full of skeletons clothed in DHARMA uniforms.Ben tells Locke that he helped kill his own people when it became clear that the DHARMA workers could not coexist with the natives, and then shoots Locke, who falls into the pit.