Section 6 Seizure of Physical Evidence and Documentary Evidence Article 139 All kinds of property and documents found in investigation activities that can prove the criminal suspect's guilt or innocence shall be seized; Property and documents irrelevant to the case shall not be sealed up or detained. The seized and detained property and documents shall be properly kept or sealed, and shall not be used, exchanged or damaged. Article 140 The seized and detained property and documents shall be checked clearly with the witnesses and holders present, and a list shall be made on the spot in duplicate, which shall be signed or sealed by the investigators, witnesses and holders, one for the holder and one for future reference. Article 141 When an investigator deems it necessary to seize the mail or telegram of a criminal suspect, he may, with the approval of the public security organ or the people's procuratorate, notify the post and telecommunications organ to hand in the relevant mail or telegram for inspection and seizure. When it is no longer necessary to detain, it shall immediately notify the post and telecommunications organs. Article 142 People's procuratorates and public security organs may, according to the needs of investigating crimes, inquire about and freeze the deposits, remittances, bonds, stocks, fund shares and other property of criminal suspects in accordance with regulations. The relevant units and individuals shall cooperate. If a criminal suspect's deposits, remittances, bonds, stocks, fund shares and other properties have been frozen, they may not be frozen again. Article 143 If the seized or detained property, documents, mails, telegrams or frozen deposits, remittances, bonds, stocks, fund shares and other properties are found to be really irrelevant to the case, the seizure, seizure and freezing shall be lifted within three days and returned.

Legal objectivity:

Article 162 of the Criminal Procedure Law stipulates that when investigating a closed case, the public security organ shall ensure that the facts of the crime are clear, the evidence is true and sufficient, write a prosecution opinion, and transfer it to the people's procuratorate at the same level for examination and decision together with the case file and evidence; At the same time, inform the criminal suspect and his defense lawyer about the transfer of the case. If a criminal suspect voluntarily pleads guilty, it shall be recorded and transferred with the case, and the relevant information shall be stated in the prosecution opinion.