[The role of forensic medical expertise of material evidence in the investigations into the cases of sexual offence].

The objective of the present study was to search for the methods for the enhancement of the effectiveness of forensic medical examination of material evidence during the investigations into the crimes against sexual immunity and personal sexual freedom. The work included the analysis of the relevant expert conclusions and copies of the decisions approving the performance of the forensic medical expertises. The study was carried out with the use of the following methods: the extraction of necessary data from the primary materials, their systematization and treatment by the methods of descriptive and analytical statistics. The study has demonstrated significant differences in the frequency of discovery of biological evidence of sexual offence depending on the character of the objects available for the examination and the time of their obtaining; these parameters were shown to depend on a variety of factors. It is concluded that the multidisciplinary approach to the selection and examination of material evidence for the purpose of the investigation into the cases of sexual offence makes it possible to considerably enhance the effectiveness of forensic medical expertises for the search of biological evidence of sexual crimes and thereby to improve the quality of this work.

[Peculiarities of sexual development in Caucasoids and Ural Mongoloids in Northern Russia].

A review of the domestic scientific literature concerning forensic medical aspects of the girls' pubertal development is presented. The interplay of various social factors is shown to influence the rate of sexual maturation and the age at which puberty begins. Racial differences of these parameters are demonstrated. It is concluded that they need to be further studied and taken into consideration in forensic medical evaluation of the time of sexual maturity.