What rights do lawyers have when public security investigates cases?

Legal subjectivity:

When public security investigates a case, lawyers enjoy the following rights: defense lawyers can provide legal assistance to criminal suspects in the investigation process; 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.

Legal objectivity:

Article 33 of the Criminal Procedure Law of People's Republic of China (PRC) * * * A criminal suspect or defendant may entrust one or two persons as defenders in addition to exercising the right of defense by himself. The following persons may be entrusted as defenders: (1) lawyers; (2) A person recommended by a people's organization or the unit to which the criminal suspect or defendant belongs; (3) Guardians, relatives and friends of criminal suspects and defendants. A person who has been sentenced to punishment according to law or deprived of or restricted personal freedom shall not act as a defender. A person who has been dismissed from public office or has his lawyer's or notary's practice certificate revoked may not act as a defender, except the guardian or near relative of the criminal suspect or defendant. Article 38 of the Criminal Procedure Law of People's Republic of China (PRC): Defence 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.