I've been quoting the book [on Peter Sutcliffe] constantly in rehearsals. Some members of the cast have stated their disapproval that it should even have been written. Some of the women have expressed more - disgust and anger. What are they saying? They'd prefer not to know, not to understand? They'd prefer certain areas of life to be censored? Isn't that partly what breeds the Sutcliffes and the Nilsens?