"Thou Shalt Not Kill." All New Orleans is disturbed at the rumour that one of its civic treasures, a fragment of the Gutenberg Bible, has been stolen. But when the rumour becomes a fact and is followed by a series of murders so hideous that every paper's headlines screamed each new phase of the case, the concern changes to panic. Each new crime centres on the same group of people: wealthy, respected and influential. Yet the police and District Attorney struggle to find a definite clue on which to base an arrest. Each of the suspects could benefit from the death of the murder victims, and each new clue