Will the public security bureau call you to assist in the investigation?

Legal analysis: First of all, confirm that the call is from the Public Security Bureau, not a fraudulent call. After confirmation, assist the public security bureau in the investigation.

Secondly, there are many reasons for the public security bureau to make a phone call, which needs to be analyzed according to the content of the phone call. Moreover, the scope of the Public Security Bureau is relatively large, involving many departments, and each department is responsible for handling its own work problems, both civil and criminal. There are police stations and traffic police teams. On the positive side, it is generally related to the party concerned, so you can make a phone call. For example, the inquiry after the individual reported the case, the notice of the expiration of the annual inspection of the vehicle, and of course, there are cases of suspected crimes.

Legal basis: Article 62 of the Criminal Procedure Law of People's Republic of China (PRC). Anyone who knows the case has the obligation to testify. A person who is physically and mentally defective or young, can't distinguish right from wrong and can't express correctly, can't be a witness.