侦查人员出庭作证作为一项诉讼制度在许多国家已经是司法实践中的惯常现象,但在我国的刑事司法活动中侦查人员极少出庭作证。在我国,这一问题不仅在证据理论上而且在诉讼制度上均存在诸多难以解释的问题。尽管《刑事诉讼法》对侦查人员出庭作证没有规定在一定程度上影响到了其 As a litigation system, the investigators testify in court is a common phenomenon in judicial practice in many countries. However, there are very few investigators in our criminal justice activities to testify in court. In our country, there are many difficult problems to explain in this issue, not only in the evidence theory but also in the litigation system. Although there are no provisions in the Criminal Procedure Law that show investigators to testify in court to a certain extent,