关键词: 测谎, 测谎技术, 测谎仪, 司法实践

Abstract: The invention and application of lie detectors are a great breakthrough in the history of criminal investigation. Lie-detecting techniques have been widely applied to many fields such as national defence, judicial investigation and even commerce activities in more than fifty nations of the world. Practice proves that lie-detecting techniques are scientific and reliable and can be used to distinguish between guilty and not guilty. In recent years, the technique has been rapidly and widely adopted by domestic judicial institutions of police, courts, procuratorates and etc., achieving notable scores in providing important evidence in difficult cases as an effective supplementary means of criminal investigation. The concept and principle of lie-detecting techniques are introduced and its application in the domestic judicial practice is discussed.

Key words: lie, lie-detecting technique, lie detector, judicial practice