绝大多数国家的法律都规定证据的获取必须符合法定程序。但是能否采纳非法获取的证据,各个国家的做法却不尽相同。通过非法行为获取到的证据一方面具有违法性,另一方面却有助于有效追究犯罪和查明案件事实。刑事诉讼中的两个重要任务是打击犯罪和 Most countries have laws that require the acquisition of evidence to comply with legal procedures. However, whether the evidence obtained illegally can be adopted or not, the practice in various countries is not the same. The evidence obtained through unlawful acts is not only illegitimate on the one hand, but also helps to effectively investigate the crime and ascertain the facts of the case on the other hand. Two important tasks in criminal proceedings are to combat crime and