非法证据的法律效力刑事诉讼中的非法证据，是指不符合法律规定的证据内容、证据形式、收集或提供证据的人员及程序、方法的证据材料。它包括四种非法情形：证据内容不合法，证据表现形式不合法，收集或提供证据的人员不合法；收集提供证据的程序、方法、手段不合法。只要... Legal validity of illegal evidence Illegal evidence in criminal proceedings refers to the evidence that does not conform to the law, the form of evidence, the persons who collect or provide evidence, and the evidential materials of the procedures and methods. It includes four kinds of illegal situations: the contents of the evidence are illegitimate, the forms of evidence are illegitimate, the persons who collect or provide evidence are not legal, and the procedures, methods and means of collecting evidence are not legal. as long as...