According to the Criminal Procedure Law
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.
According to the lawyer law
Article 35? The entrusted lawyer may, according to the needs of the case, apply to the people's procuratorate or the people's court to collect and obtain evidence or apply to the people's court to notify witnesses to testify in court. If a lawyer investigates and collects evidence by himself, he may, with the lawyer's practice certificate and the certificate of the law firm, investigate the situation related to undertaking legal affairs with the relevant units or individuals.
Extended data
Methods for lawyers to collect materials from the Economic Investigation Brigade;
Apply to the court for an investigation order, and the lawyer will come forward to investigate.
In other words, the court issued an investigation letter to the investigated unit, the applicant's lawyer held an investigation order, and the court entrusted a lawyer to investigate and collect evidence from the investigated unit. Its essence is that the court investigation is conducted by lawyers.
Baidu Encyclopedia-People's Republic of China (PRC) Criminal Procedure Law
Kedong county justice bureau-People's Republic of China (PRC) lawyer law