M. Yurlitinform, 2006. - 192 c. Foreword by . Concept, essence and legal grounds for obtaining and presenting to participants of criminal proceedings the results of private detective activity . Concept, essence and legal grounds of private detective activity . Collection of information on a criminal case as one of the services of private detective activity . Procedure for obtaining, documenting and presenting to the participant of criminal proceedings the results of private detective activity . Legal grounds, procedure for introducing results of private detective activity into a criminal case, their use in the investigation. Legal grounds for presenting the results of private detective activity to the investigator and their assessment from the standpoint of criminal procedural law . Procedure for the introduction of the results of private detective activity in a criminal case and the conditions for their transformation into criminal procedural evidence . Using the results of private detective work in the investigation of crimes . Conclusion. Appendix No. 1 (list of literature), Appendix No. 2 (legislation),