Conditions of detention Article 82 of the Criminal Procedure Law of People's Republic of China (PRC), the public security organ may detain a flagrante delicto or a major suspect in any of the following circumstances:
(1) Those who are preparing to commit a crime, commit a crime or are found immediately after committing a crime;
(2) the victim or a witness on the spot identifies him as a criminal;
(3) criminal evidence is found at his side or residence;
(4) attempted suicide, fled or fled after committing a crime;
(5) It is likely to destroy or forge evidence or collude with others;
(6) Not telling his real name and address, and his identity is unknown;
(7) those who are seriously suspected of committing crimes on the run, committing crimes for many times or committing crimes in collusion.