The public security organ may detain a flagrante delicto or a major suspect in advance under any of the following circumstances:
(1) (1) Being prepared to commit a crime or being found immediately after committing a crime;
(2) The victim or the witness identified the crime;
(3) criminal evidence is found around or at the place of residence;
(4) attempted suicide, escape or escape after committing a crime;
(5) It is possible to destroy, forge evidence or collude with others;
(6) Those who have criminal facts or suspects, do not tell their real names and addresses, and whose identities are unknown may be detained first;
(7) those who are seriously suspected of committing crimes on the run, committing crimes for many times, and committing crimes in association.
Legal basis
Article 114 of the Law on Public Security Administration Punishment
Public security organs and their people's police should consciously accept the supervision of society and citizens when handling public security cases. If the public security organ and its people's police do not strictly enforce the law or violate the law and discipline in handling public security cases, any unit or individual has the right to report and accuse the public security organ or the people's procuratorate or the administrative supervision organ; The organ that receives the report or complaint shall handle it in a timely manner in accordance with its duties.
Article 82 of the Criminal Procedure Law
Under any of the following circumstances, the public security organ may detain a flagrante delicto or a major suspect:
(1) He is preparing to commit a crime, committing a crime or being found at the scene of a crime;
(2) the victim or the crime scene personnel identify him as committing a crime;
(3) Being near the victim or being identified by the victim as committing a crime; Or
(3) criminal evidence is found around the victim or at his residence;
(4) attempted suicide, fled or escaped after committing a crime;
(5) it is possible to destroy, 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, and committing crimes in association.
(8) those who are seriously suspected of committing crimes on the run, committing crimes for many times or committing crimes by gangs.