Henry joined them, and detailed his experience. While he talked, Hardcastle appraised him, and perceived that certain nebulous opinions, which had begun to crystallize in his own mind, could have no real foundation. The detective believed that he was confronted with a common murder, and on hearing Henry's history, as part of Sir Walter's story with the rest, perceived that the old lover of Mary Lennox had last seen her husband alive, had drunk with him, and been the first to find him dead.