Article 82 of the Criminal Procedure Law stipulates the conditions of pretrial detention. Specifically, the public security organs can detain the flagrante delicto or major suspect in the following situations: those who are preparing to commit a crime, are committing a crime or are found immediately after committing a crime; The victim or a witness at the scene identified him as a criminal; Other statutory circumstances.
legal ground
Article 82 of the Criminal Procedure Law
The public security organ may detain an active criminal 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.