"And he didn't seem as though he was talking to the person who killed him, either, did he?" he mused. "So yes, I think we can rule you out." Then he frowned as another thought occurred to him: "If we've been here for some time - if we've been living here - and some of us are predators, could that be why there are so few of us? Because this girl and others like her have been killing us off?"