Crime scene investigation is a set of actions that are carried out as the primary protection of the traseological situation at the crime scene. In order for it to be preserved as best as possible until the arrival of the investigation team, it is necessary to secure it, which is carried out by authorized officials of the police / military police. The investigation, which is defined as a formal evidentiary action, i.e. the act of the first intervention, occupies a central place in the investigation of the scene of a criminal offense. The main objective of the investigation is to preserve the complete traseological situation at the scene, especially relevant traces related to the event itself, fixing them and excluding them in an adequate way. The aim of this paper as empirical research is to determine the characteristics of conducted investigations by analyzing military police files. The paper will study variables related to the crime scene, variables such as the number and type of found traces, their position, methods of fixation and removal as well as variables related to the criminal offense.