Many contemporary mysteries feature bureaucrats struggling with difficult ethical dilemmas. Should they lie? Disobey an order? Use physical force? Break the law in order to catch a criminal? In addition to their entertainment value, mysteries offer untapped opportunities to reflect on the moral conflicts faced by civil servants. In this article, the author analyzes the work of 12 modern mystery writers whose protagonists include police detectives, a medical examiner, a prosecutor, a park ranger, and a fire chief. Several types of bureaucrats are identified including moralists, pragmatists, and rogues. The author then links these types to broader ethical philosophies, such as actutilitarianism, rule-utilitarianism, ethical egoism, and Kant's categorical imperative. He concludes that mysteries can be an effective teaching tool for courses in ethics and public administration.