in the 1870s , the mayor of the city of santiago, benjamín vicuña mackenna proposed modelling the "brigada de policía" on the "agent de la sûrete" in paris, france, which was based on the administrative structure of the police force. ranks of "inspector", "comisario", and "prefecto" (based on the french ranks of "inspecteur", "commissaire", and "préfet") were implemented, and that are still used today.