Can you pull up the chat records when the police filed a case a few years ago?

Legal analysis: the chat records of several years before the alarm can be transferred out. The public security bureau can check other people's short messages, but according to the relevant laws and regulations, only people involved in crimes or suspected crimes can check them, otherwise personal privacy will be violated. According to the needs of investigating crimes, technical investigation measures can be taken after strict examination and approval procedures.

Legal basis: Criminal Procedure Law of People's Republic of China (PRC).

Article 150 After putting a case on file, the public security organ may, according to the needs of investigating crimes and through strict approval procedures, take technical investigation measures against crimes endangering national security, terrorist activities, organized crimes of underworld nature, major drug crimes or other crimes seriously endangering society. After filing a case, the people's procuratorate may, according to the needs of investigating crimes and through strict approval procedures, take technical investigation measures and hand them over to the relevant authorities for execution in accordance with regulations. To hunt down a criminal suspect or defendant who is wanted at large or whose arrest has been approved, the necessary technical investigation measures may be taken upon approval.

Article 151 The approval decision shall determine the types and applicable objects of technical investigation measures according to the needs of crime investigation. The approval decision is valid for three months from the date of issuance. Those who do not need to continue to take technical investigation measures shall be lifted in time; For complex and difficult cases, if technical investigation measures need to be taken after the expiration of the time limit, the validity period may be extended after approval, and each time shall not exceed three months.