The crime is a problem at world-wide level mainly in the main capitals of countries in Latin America. Lima is seen constantly conmcionada with the news of crimes, terrible, maniaticos murders like the Attacker of the Taxi with screw driver and others but. Deaths, homicides, murders, are the news every day. Those that studies criminology have much to learn with these facts. With respect to subjects of Criminology I want to make a brief contribution for the people who wish to know aspects basic, that they are very interesting.1. – That podriasmos to say with respect to the Protection of the place of the Crime? That the first measurement to take is the protection of the place since in the scene we will find all the evidences that will allow us to reconstruct the fact to investigate as tracks of footwear, spots of blood, hairs, semen, hairs among others indications.

Very important that in the scene of the crime it is not invaded by anybody other people’s one to the investigation, since the alteration of some it demonstrates could not never be reconstructed. Being the case that often indication that in principle seemed to us insignificant a priori served to clarify the fact. 2- That it is known like the Science of the Investigation? The science of the investigation was indicated by gift Jimnez de Asa. She is multidisciplinary, so that it synthesizes for his research objectives the knowledge and techniques of other sciences such as chemistry, physics, mathematics, Biology, anthropology and specialties of the forensic medicine. One adds to this investigation the optics, computer science to him and all the science, disciplines or technique that could serve the objectives to him. 3- Brief summary on Judicial Photography. The photography enters within the identification systems, mention the elementary aspects of the photography that are to have themselves considering the moment of the valuation of a lengthy person or of a corpse.