Detention procedure:
1, the public security organ must produce the detention certificate (voucher) issued by the person in charge of the public security organ at or above the county level when detaining;
2, the implementation of detention personnel shall not be less than two people;
3. After detention, the detained person shall be immediately sent to the detention center for custody, and shall not exceed 24 hours;
4. Unless it is impossible to inform or inform the family members of the detained person that the crime suspected of endangering national security or terrorist activities may hinder the investigation, the family members of the detained person shall be notified within 24 hours after the detention, and the family members of the detained person shall be notified immediately after the situation that hinders the investigation disappears;
The public security organ shall interrogate the detained person within 24 hours after detention. If it is found that he should not be detained, he must be released immediately and issue a release certificate;
6. When the public security organ carries out detention in different places, it shall notify the public security organ where the detainee is located, and the public security organ where the detainee is located shall cooperate.
Conditions of detention:
1. Being prepared to commit a crime, committing a crime or being discovered immediately after committing a crime;
2. The victim or a witness on the spot identifies him as a criminal;
3. Found criminal evidence around or at the residence;
4. Attempted suicide, escape or escape after committing a crime;
5. It is possible to destroy, forge evidence or collude;
6. Don't tell your real name, address, unknown identity, etc. ;
7. Suspected of committing crimes on the run, committing crimes many times, and committing crimes in partnership.
To sum up, the detention of criminal suspects by the procuratorate must be decided by the procurator-general and served on the public security organs for execution. When necessary, the people's procuratorate may assist the public security organ in execution.
Legal basis:
Article 67 of the Criminal Procedure Law of People's Republic of China (PRC)
The people's courts, people's procuratorates and public security organs may obtain a guarantor pending trial for a criminal suspect or defendant under any of the following circumstances:
(a) may be sentenced to public surveillance, criminal detention or independent application of supplementary punishment;
(two) may be sentenced to more than fixed-term imprisonment, bail will not cause social danger;
(3) A woman who is seriously ill, unable to take care of herself, pregnant or breast-feeding her baby is released on bail pending trial, which will not cause social danger;
(four) the detention period expires, the case has not yet been settled, and it is necessary to get a bail pending trial.
Bail pending trial shall be executed by the public security organ.
Article 97 of People's Republic of China (PRC) Public Security Administration Punishment Law
The public security organ shall announce the decision on administrative penalties for public security to the person being punished and deliver it to the person being punished on the spot; If it cannot be announced to the punished person on the spot, it shall be served to the punished person within two days. If it is decided to give administrative detention, it shall promptly notify the family members of the punished person.
If there is an infringed person, the public security organ shall send a copy of the decision to the infringed person.