seriously , that 's what this is about ? and that terrific thump on the head had made him black out . an obsessed man who chose extreme risk because he was trained for it and had lived with violence too long to let go . `` and also conversations where you say how great kids are . you 're going to tell me what happened today . they walked up the back stairs to the kitchen . it worked too ; he had tried it on a day when beths mum was out . 