1. Ask the investigation organ about the crimes and cases suspected by the criminal suspect and give opinions;
2. Providing legal aid to criminal suspects;
3. Acting as an agent to appeal, accuse and apply for changing compulsory measures, and meeting and communicating with criminal suspects and defendants in custody.
legal ground
Article 38 of the Criminal Procedure Law
Defense lawyers can provide legal aid to criminal suspects during investigation; Acting as an agent for complaints and accusations; Apply for changing compulsory measures; Ask the investigation organ about the crimes and cases suspected by the criminal suspect, and put forward opinions.
Article 39 1
Defense lawyers can meet and correspond with criminal suspects and defendants in custody. Other defenders, with the permission of the people's courts and people's procuratorates, may also meet and correspond with criminal suspects and defendants in custody.