The crime scene at St. Marguerite€™s cathedral in New Orleans is shocking, even to seasoned detectives like Rick Bentz and Reuben Montoya. A novice nun named Sister Camille has been found dressed in a yellowed bridal gown and viciously garroted, her body covered with an altar cloth. Valerie Houston is devastated by her sister€™s death. For weeks, she€™d begged Camille to leave St. Marguerite€™s, where she seemed determined to live as some kind of martyr. But Camille had a knack for making bad choices €” she joined the convent in part because she€