After specifying the concept of criminal policy, the author examines that which was implemented by the Public Ministry, within the framework of the new criminal justice, between 1999 and 2007, period in which he served as National Prosecutor.Luego de precisar el concepto de política criminal, el autor examina aquella que fuera implementada por el Ministerio Público, en el marco de la nueva justicia penal, entre 1999 y 2007, periodo en el cual se desempeñara como Fiscal Nacional.