Criminal defense lawyers should actively collect evidence after the defendant is detained, and then defend the defendant or refute the prosecutor's allegations according to the evidence at the court session. The defender shall protect the legitimate interests of the defendant.
Legal objectivity:
Criminal Procedure Law of the People's Republic of China
Article 37
The responsibility of a defender is to provide materials and opinions on whether a criminal suspect or defendant is innocent, light or relieved of criminal responsibility according to facts and laws, and to safeguard the litigation rights and other legitimate rights and interests of the criminal suspect or defendant.
Criminal Procedure Law of the People's Republic of China
Article 38
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.