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The article discusses the possibilities and advantages of using Layered Voice Analysis (LVA), when solving practical problems of forensic psychological examination. The authors substantiates the adequacy and reliability of using LVA technology to identify indicators in the vocal characteristics of a person’s voice that reflect emotional and cognitive stress, as well as the risk of hiding information or guilty knowledge. . It is shown that the effectiveness of this technology is confirmed by empirical studies that have established its compliance with the results of examination using a polygraph.