To answer your questions, yes and yes. It's clearly possible to walk into a shop without killing anyone, and the analogy to Sutcliffe holds: it's possible to be

To answer your questions, yes and yes. It's clearly possible to walk into a shop without killing anyone, and the analogy to Sutcliffe holds: it's possible to believe that God wants you to rape and murder prostitutes, without actually doing it. Condoning rape and murder only comes into play if you also answer that God is the source of all morality. In that case, doing God's will is by definition moral, and if he wants you to rape and murder, well, you bite the bullet.