电子数据鉴定意见质证难的破解之道

The Solutions of Effective Cross-examination to Expert Opinions of Electronic Evidence

当电子数据以鉴定意见的形式在法庭出示时,缺乏专业知识的质证者很难对抗这种具有表面可信性的证据,对电子数据鉴定意见的质证尤其困难。而且,随着电子数据相关法律法规的不断发展和完善,以检验报告或者鉴定意见形式出具的电子数据将会更为常见。面对这样的困境,文章从法律和技术结合的角度论述了破解这个难题的五大要点,包括重视及利用庭前证据开示程序取得对原始数据或其准确复制件检验和分析的机会、通过庭前书面质询方式了解鉴定的关键性细节、从专家的适格性问题找出鉴定过程中可能存在的漏洞、重视数据取证部分对鉴定意见结论部分的影响和对数据来源做不同的解读。

When exhibited in court in the form of expert opinion,electronic evidence possesses prima facie validity,which the opponents would find it hard to refute due to the lack of specialized knowledge,so it is particularly difficult to cross-examine electronic evidence involving expert opinions. In addition,with the developments of relevant legislations and regulations,electronic evidence shows a growing tendency to be exhibited in the form of examination reports or expert opinions. Facing such dilemma,this article discusses five key points to help achieve effective cross-examination from the perspective of combining legal issues with certain necessary techniques,including making use of disclosure procedure to obtain the opportunity so as to examine and analyze the original data or its forensic copies,using written interrogatories to capture critical details,examining the eligibility of the experts to find out potential vulnerability in examination process and conclusions,paying attention to the impact of data acquisition on the expert conclusion,and interpreting data sources in different ways.