Kushpel E.V. 1
Shuvalov D.N. 1
1 FGKOU «Volgograd Academy of the Ministry of Interior of Russia»
In the article discusses issues related to the selection of samples of biological origin that come from the body of a living person for a comparative study of the investigation of crimes of various kinds for the subsequent appointment of biological expertise. Attention is paid to issues of concern exemption samples for comparative analysis against the will of the suspect or accused of a crime. Model for comparative research in the study of DNA is an object whose features are compared with withdrawal symptoms and allow you to set trace its origins to a specific individual. The article discussed in detail the procedure for withdrawal of blood samples and saliva, especially their packaging and storage for subsequent DNA testing purpose and direction to the expert institution. The blood sample is optimal for any biological research, including research and DNA, as it has no symptoms associated with non-identifying object.