All criminal suspects and defendants should not be found guilty until they are judged guilty according to law. This is a requirement of the modern legal system. The defender's duty in criminal cases is to argue that the criminal suspect or defendant is innocent based on the facts and law. or materials and opinions on mitigating or exempting criminal liability, and protecting the litigation rights and other legitimate rights and interests of criminal suspects and defendants.
"Criminal Procedure Law"
Article 35 The defender's duty is to argue that the criminal suspect or defendant is innocent, guilty, or has a lighter crime or that he or she is mitigated or exempted based on the facts and law. Materials and opinions on criminal liability to protect the litigation rights and other legitimate rights and interests of criminal suspects and defendants.