The book Criminal con-science is composed of several investigations that give account of the professional work in the field of legal psychology and its areas of application. Its content is divided into three sections: Legal Psychology, Criminology and Criminal Profiling, with a total of thirty chapters.This text has fifty outstanding authors from different countries and specialties, and corresponds to an interdisci plinary work coordinated by the psychologist, criminologist and captain of the Colombian National Police, Ervyn Norza Céspedes, and by