在证据理论中,根据证据事实的表现形式,可以分为实物证据与言辞证据。与实物证据相比,言辞证据具有信息量大、证明的案件事实广泛的优势,因而受到各国侦查人员的重视。然而,由于言辞证据是“办案人员以外的人对案情事实的反映,它已不再完全 In the evidence theory, according to the manifestations of evidence facts, it can be divided into physical evidence and rhetorical evidence. Compared with the physical evidence, the rhetorical evidence has the advantages of large amount of information and proven facts of the case, and thus has attracted the attention of investigators in various countries. However, since the rhetorical evidence is that ”people other than investigators reflect the facts of the case and are no longer complete