“Moriarty rarely smiled,and then usually to terrify some poor victim. The first time I heard him laugh, I thought he had been struck by a deadly poison and the stutter escaping through his locked jaws was a death rattle.” SmileMoriartyDeath Rattle Book:Professor Moriarty: The Hound of the D'Urbervilles Source: Professor Moriarty: The Hound of the D'Urbervilles