Polygraph examination in the context of expert evidence in criminal proceedings

The article describes the current legal status of the polygraph examination method in the context of expert evidence in criminal proceedings in the Czech Republic, England, and Wales, with a focus on the method of language interpretation. The aim of the article is to provide a description of the existing knowledge as well as the valid and effective legislation and case law in the field of expert proof in criminal cases. The basic research design is to use the language interpretation method to describe the current law and the case law of the Polygraph Examination Method, considering the Guideline for Evaluative Reporting in Forensic Science (2015) and guidelines for best practice in forensic science and the European Network of Forensian Science Institutes (ENFSI) for expert assessment of forensic sciences.