According to relevant laws and regulations, defense lawyers have no obligation to report criminal facts, collect and submit evidence. In addition, the defender's responsibility is to put forward materials and opinions on the innocence, lighter or mitigated criminal responsibility of criminal suspects and defendants according to facts and laws, and to safeguard the litigation rights and other legitimate rights and interests of criminal suspects and defendants; 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.
Relevant laws and regulations: People's Republic of China (PRC) Criminal Procedure Law.
Article 35 A defender shall, according to facts and laws, put forward materials and opinions on the innocence, light crime or reduction or exemption of criminal responsibility of a criminal suspect or defendant, and safeguard the litigation rights and other legitimate rights and interests of the criminal suspect or defendant.
Article 36 A defense lawyer may provide legal aid to a criminal suspect 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.