The public security organs check the clues of organized crimes of underworld nature.

Twenty-sixth public security organs can take investigation measures in accordance with the relevant provisions of the state. Where the public security organ collects and obtains relevant information and materials from relevant units and individuals, the relevant units and individuals shall truthfully provide them.

Twenty-seventh public security organs to verify the clues of organized crime, with the approval of the person in charge of public security organs at or above the county level, can inquire about the criminal suspect's deposits, remittances, bonds, stocks, fund shares and other property information.

If the public security organ checks the clues of organized crime of underworld nature and finds that the property involved is in danger of emergency loss or transfer, it may take emergency measures such as stopping payment or temporarily freezing or withholding the property involved with the approval of the person in charge of the public security organ at or above the municipal level, and the period shall not exceed 48 hours. If the time limit expires or the situation of implementing emergency measures disappears, the emergency measures shall be lifted immediately.

Twenty-eighth public security organs to check the clues of organized crime, found criminal facts or criminal suspects, should be in accordance with the "People's Republic of China (PRC) Criminal Procedure Law" for investigation.

Article 29 When handling organized crime cases, the public security organ may, according to the provisions of the Law of People's Republic of China (PRC) on Exit and Entry Administration, decide to take measures to restrict the exit of criminal suspects, and notify the exit and entry administration authorities to implement them.

Thirtieth of the criminal suspects and defendants in criminal cases of organized crime of underworld nature, according to the needs of handling cases and maintaining supervision order, can take measures such as detention in different places, detention alone or detention alone. If measures of detention in different places are taken, the criminal suspect, the defendant's family and the defender shall be notified according to law.

Article 31 After placing a case on file, the public security organ may, according to the needs of investigating crimes and in accordance with the provisions of the Criminal Procedure Law of People's Republic of China (PRC), take technical investigation measures, implement controlled delivery, or let the relevant personnel conceal their identities for investigation.