Scientific Insight Into Forensic Authentication

As one of the seven statutory forms evidences provided by the Criminal Procedure Law , expert conclusions hold an important station and impact weightily on modern legal process. However, judicial identification which is based on science and technology is confronting the challenges of the expert eviendce ,for the quickly improvement of science and technology. The fake case ,such as Du Peiwu and She Xianglin'murder have appeared,for the Expert eviendce has been the most speculative and subjective element of proceeding. Expert eviendce is unavoidable to face the rebuke of people. The suspicion to the Expert eviendce is mainly divided into four parts:1,The validity of the scientific theory which is the academic foundation of expert conclusions is considered.2,The logistic differences between legal and scientific speciality of expert conclusion.3,The influences given by the appraisers and regulations of forensic identification during the working proceeding.4,The validity of the critical legal procedure and how to censor or determine Expert eviendce.On the base of accurately comprehend the validity of Expert conclusions ,there are two aspects to change status in quo: First and foremost, canonicaly improve the forensic identification science to impulse the development of technology, regulation and expert in forensic identification. Second, an efficient mechanism for estimating evidences is necessary.And an established logical system, felicitous regulation are absolutely needed. The development of scientific theory and forensic theory contribute to the academic sustentation of the expert conclusions'validity .There are some external guarantees for the validity of expert conclusions, such as commercial mode of system, characters of experts and the consummate regulation. Moreover, carry systems for an expert to be a attestor or a assistant into execution will no doubt help the people to comprehend the validity of expert conclusions more efficaciously and correctly.