Relevant laws stipulate the Criminal Procedure Law of People's Republic of China (PRC).
Article 33 A criminal suspect has the right to entrust a defender from the day when he is interrogated for the first time by the investigation organ or compulsory measures are taken. During the investigation, only lawyers can be entrusted as defenders. The defendant has the right to entrust a defender at any time.
When interrogating a criminal suspect for the first time or taking compulsory measures against him, the investigation organ shall inform him that he has the right to entrust a defender. The people's procuratorate shall, within three days from the date of receiving the case materials transferred for examination and prosecution, inform the criminal suspect that he has the right to entrust a defender. The people's court shall, within three days from the date of accepting the case, inform the defendant of the right to entrust a defender. If a criminal suspect or defendant requests to entrust a defender while in custody, the people's court, the people's procuratorate and the public security organ shall promptly convey it.
Article 72 The people's courts, people's procuratorates and public security organs may monitor the residence of criminal suspects and defendants under any of the following circumstances:
(1) Suffering from serious illness and unable to take care of themselves;
(2) Women who are pregnant or nursing babies;
(3) Being the sole supporter of a person who cannot take care of himself;
(four) because of the special circumstances of the case or the need to handle a case, it is more appropriate to take residential surveillance measures;
(five) the detention period expires, the case has not yet been settled, and it is necessary to take residential surveillance measures.
For those who meet the conditions of obtaining a guarantor pending trial, but the criminal suspect or defendant cannot provide a guarantor or pay a deposit, they can be placed under residential surveillance.
Residential surveillance shall be carried out by public security organs.