The professional qualities of any law enforcement officer first of all, is how is he able to determine the true intentions of the criminal, to solve processes, occurring among the convicts, methods of preparing and committing crimes, tactical methods of masking criminal behavior and relationships, to predict the conflict development of events in prisons and unlawful behavior of convicts after release. In the context of this problem, it is also important to note, that in the criminal environment people communicate mainly with gestures. This law enforcement agencies at any level should know as well as recognize the gestures, facial expressions and postures of convicts.