The prosecution accused without sufficient evidence, without adequate research strategy and driven by the desire to gain unwarranted abuse of the right if her competence, which is why we have investigated the performance of the prosecutor in his role as director of criminal investigation under the new Criminal Procedure Code (NCPP) province of Trujillo, from 2007 to 2012 in order to identify possible circumstances or conditions that limit their research; so that the following problem is formulated What are the limitations of the tax as director of criminal investigations in the province of Trujillo from 2007 to 2012?, which posed the following hypothesis: “The limitations of the prosecutor as director of criminal investigations in the province of Trujillo from 2007 to 2012 are the lack of objectivity, the remnants of an inquisitorial system, professional training gaps and breach of the...