The defense of defamation can be carried out from the following aspects: 1. Whether the defendant has considered lenient or mitigating circumstances; 2. Whether the victim was at fault; 3. Whether the confession was extracted by torture; 4. , Contradictions in witness testimony; 5. Whether the defendant has any statutory mitigating or mitigating circumstances. Legal purpose:
Article 37 of the Criminal Procedure Law: The defender’s duty is to provide materials and opinions that prove the innocence of criminal suspects and defendants, reduce or exempt them from criminal liability based on facts and law, and protect the crime. Litigation rights and other legitimate rights and interests of suspects and defendants. Article 38 During the investigation, defense lawyers may provide legal assistance to criminal suspects; represent them in appeals and accusations; apply for changes in compulsory measures; learn about the suspect's alleged crimes and the relevant circumstances of the case from the investigative agency and provide opinions.