The public security department can't check the content of WeChat voice call at will, but if the content of WeChat involves criminal cases, especially the investigation clues of important criminal cases, the public security organs at or above the county level can take technical investigation measures for the mobile phone number. This method can track the location of your mobile phone (even if it is turned off, it can still be tracked), monitor your phone and intercept your WeChat.
The police refers to the police organs and their policemen set up by the state and its rulers according to the will of the state and the ruling class and certain standards. The police are generally armed and can maintain national security and social order, exercise police power and perform police duties in police organs. The police came into being with the emergence of the country. The function of the police is to safeguard national security and social order, and to prevent and punish all criminals who endanger national security and interests. The police is an important state machine for state management and an important tool for the ruling class to rule. In fact, the embodiment of police function is the concrete realization of the will of the ruling class. So the police are the product of class society.
The functions and powers of police organs are realized through the specific behaviors of police personnel. The police exercise the investigation power and execution power of some criminal cases on behalf of the state according to law; Exercise the power of public security management. Therefore, first of all, the police must have the identity of a national public official. Only in this way can we enjoy the rights and undertake the obligations of state public officials according to law. Secondly, due to the particularity of the police's authority, the police should not only exercise their rights, but also perform their duties. In addition to being a national public official, you must also have a police identity. Be bound by the powers and responsibilities of the police and police discipline. That is, the qualification, authority, safety, discipline and obligation of the police.
legal ground
Article 40 of the Constitution of People's Republic of China (PRC) * * * The freedom and privacy of correspondence of China citizens shall be protected by law. When public security organs and procuratorial organs check communication according to the procedures prescribed by law, no organization or individual may infringe upon citizens' freedom and privacy of communication for any reason, except for the needs of national security or criminal investigation.