Carry out checks on the lie detector by the method of MVI Losev-Miller in St. Petersburg: the official investigation, the establishment of marital fidelity or infidelity, etc. are officially Working on the basis of a patent and license. The test is performed only voluntarily with the written consent of the examinee. More information about testing on the lie detector You will find on the website spb-poligraf.ru. For any questions You will answer by phone: +7 911 736-63-88.