For the investigation work the national political reality has been poked. The facts that have constituted the source of this investigation have been the obtaining of tests without the due artificial formality, as the use of the vladivideos, petroaudios and the persecution to Montesinos. As antecedents they are considered the diverse forms of the penal illicit test in the administration of justice in the Peru located in the time and space, also the range of authors and their contributions valuable envelope the topic. The formulation of the problem is the following one: Which are the juridical-doctrinal dimensions for the admission and valuation of the penal illicit test in the jurisdictional decision in the Peru? The delimitation of the conceptual mark is divided in four chapters: Chapter I: The penal process and the principles of limitation of the probatory right. Chapter II: As for the ...