Es una investigación con perspectiva histórica que abre el diálogo con especialistas en el tema y público en general, para exponer uno de los focos de violencia que a gran velocidad está desestabilizando a México. This book serves as an investigation that opens a dialogue with specialists in the subject of the violence in Mexico and with the public. With a historical perspective, it exposes one of the sources of violence that is destabilizing Mexico at great speed.