Legal analysis: The scope of illegal evidence includes: 1. Evidence materials produced or investigated and collected by law enforcement agencies in violation of legal procedures; 2. Evidence materials produced or collected beyond the scope of their powers or abusing their powers; 3. Lawyers or Evidence materials produced or investigated and collected by the parties through illegal means; 4. Other evidence collected by law enforcement agencies using illegal evidence materials as clues for investigation.
Legal basis: "Article 54 of the Criminal Procedure Law of the People's Republic of China and the State, using illegal methods such as torture to extract confessions to collect confessions from criminal suspects and defendants, and using violence, threats and other illegal methods Collecting witness testimonies and victim statements shall be excluded. If the collection of physical evidence or documentary evidence does not comply with legal procedures and may seriously affect judicial fairness, it shall be supplemented or a reasonable explanation shall be made; if it cannot be supplemented or a reasonable explanation shall be made, it shall be excluded from the investigation. Evidence that should be excluded during prosecution or trial shall be excluded in accordance with the law and shall not be used as the basis for prosecution opinions, prosecution decisions and judgments.