What can lawyers do during the investigation by public security organs?

Legal analysis: 1. The right to provide legal aid to the criminal suspect, represent the complaint and accusation, apply for changing compulsory measures, know the suspected charges and relevant information of the criminal suspect from the investigation organ, and put forward opinions;

2. The right to meet and correspond with criminal suspects and defendants in custody;

3. Defense lawyers are not monitored when meeting with criminal suspects and defendants;

With the consent of witnesses or other relevant units and individuals, defense lawyers may collect materials related to this case from them.

Legal basis: Article 38 of the Criminal Procedure Law of People's Republic of China (PRC), defense lawyers can provide legal assistance 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.