According to Article 123 of the Procedures for Handling Criminal Cases by Public Security Organs? Unless it is impossible to notify or suspected of endangering national security or terrorist activities, which may hinder the investigation, a detention notice shall be made within 24 hours after detention to inform the family members of the detained person. The notice of detention shall specify the reason and place of detention.
The circumstances that may hinder the investigation are:
1, which may destroy or falsify evidence, interfere with witness testimony or collude;
2. It may cause the accomplice to escape and hinder the investigation;
3. The family of the suspect participated in the crime.
After the circumstances that cannot be notified or hinder the investigation disappear, the family members of the detained person shall be notified immediately.
If the family members are not notified within 24 hours, the reasons shall be indicated in the detention notice.
Extended data:
Procedures for handling criminal cases by public security organs
Article 120 The public security organ may detain a flagrante delicto or a major suspect in any of the following circumstances:
(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) criminal evidence is found around him or at his residence;
(four) attempted suicide, escape or escape after committing a crime;
(5) It is possible to destroy or forge evidence or collude with others;
(six) do not speak the real name and address, the identity is unknown;
(7) Being seriously suspected of committing crimes on the run, committing crimes for many times or committing crimes in association.
References:
Baidu Encyclopedia _ Procedures for Public Security Organs to Handle Criminal Cases