Previously we discussed the whole procedure of how the criminal investigation is conducted; years of knowledge and development of science made it effective due to pathology. This relatively new research made a revolutionary step forward in solving crime investigation, for one it is still unethical, for others crucial to understand what was going on into the body shortly it gave its last breath. It was developed to study the problems related to unnatural death and various types of trauma to the living. The two systems which are applicable in the Netherlands are – the medical examiner system and the coroner system. The classification of death differs accordingly to the cause and manner of it. We may enumerate just few of them such as: deaths occurring during the medical treatment, all violent and suspicious deaths, deaths occurring to individuals working in industrial hazards etc... . The investigation may be followed by post-mortem examination; the pathologist ...