Gel A. Criminalistic's aspect of the researches of a prisoner.

The research of monographic level using information on the prisoner's characteristics for solving identical, diagnostic as well as search and tactic tasks in the process of revealing and investigating of offences committed, by the prisoners in prisons is described in the given manuscript. The thesis is devoted to the tasks and the essence of the process of criminalistic's research of a prisoner. The mechanism of formation of information sources about the prisoners characteristics was analyzed. Information sources about the prisoner's personality were classified and defined. Suggestions concerning the improvement of the documentary information sources of the existing system were made. The prisoner's characteristics were defined in prisons on the base of the structure of criminality analysis. The information about them is of vital importance for investigation of offences committed, by the prisoners. The main directions and forms of using information about the prisoner's characteristics in the investigative bodies activities were considered and suggestions of its improvement were given.