This work assumes the importance of knowing the ancient Roman criminal law through the use of literary sources because they help to have a more comprehensive view about the way they have operated crimes and crimes Roman antiquity. Under this idea, is to study the crime of extortion that may make administration officials through three letters written by Pliny the Younger in the early second century A.D. In them, the author provides information about this crime that goes beyond that provided for in the legal rules and interpretations of the jurists, both contained in the Digest, accounting for issues such as: the opinions and
ratings that generated the commission these behaviors in society then existing conception and delivery of gifts to the rulers which is not always to be the compensation of wrongdoing.


Keywords: law; literatura; crimes.