Application of Polygraph Technology in Criminal Procedure

As the product of modern science and technology development, polygraph technology has had significant influences on the operation of criminal judicature. The scientific operating principles and methods of polygraph technology are the technical conditions for its application in domain of criminal procedure, but the key for actual application of polygraph technology in criminal procedure lies in that it has to produce useful effects on the value goals of criminal procedure. The analysis results indicate that polygraph technology has positive effects on realizing judicial fairness, improving judicial efficiency and guaranteeing the rights of criminal suspects and defendants. Under this premise, polygraph technology acts on different stages of criminal procedure by means of technical investigation measure, lie detection measures and other forms to serve value pursuit of criminal procedure. Based on the above mentioned situation, basic principles for application of polygraphy technology in criminal procedure should be established under the guidance of procedural justice concept.