非法证据排除是一项极其重要的刑事制度,其目的在于保持证据的合法性。非法证据有较广义的内涵,为便于理解,这里仅限于非法言词证据;导致证据非法的原因是多种多样的,这里主要指刑讯逼供。因此,我所探讨的问题是言词证据的非法性如何证明、由谁证明、怎样证明。一、言词证据非 The exclusion of illegal evidence is an extremely important criminal system whose purpose is to maintain the legitimacy of evidence. Illegal evidence has a broader meaning. For ease of understanding, this is limited to illegitimate evidence. The reasons that lead to the illegality of evidence are varied. The main source of torture is confession by torture. Therefore, the question that I am exploring is how the illegality of verbal evidence can be proved, who can prove it, and how to prove it. First, non-verbal evidence