What do the police collect from mobile phones?

Legal analysis: the way the police collect information: you should put your mobile phone SIM card in the card reader, insert it into the computer host and copy your mobile phone card information. The short messages, communication records, address books and other materials stored in the mobile phone card are copied. Generally speaking, this kind of information collection is mainly aimed at criminal suspects and is a means of monitoring suspects.

Legal basis: Article 77 of the National Security Law of People's Republic of China (PRC). Citizens and organizations shall perform the following obligations to safeguard national security:

(1) Abide by the relevant provisions of the Constitution, laws and national security regulations;

(two) timely report clues that endanger national security activities;

(3) Truthfully providing known evidence of activities endangering national security;

(four) to provide convenience or other assistance for national security work;

(5) Providing necessary support and assistance to state security organs, public security organs and relevant military organs;

(6) Keeping known state secrets;

(seven) other obligations stipulated by laws and administrative regulations.

No individual or organization may commit acts that endanger national security, or provide any financial assistance or assistance to individuals or organizations that endanger national security.

Article 56 of the Procedures for Handling Criminal Cases by Public Security Organs: All materials that can prove the facts of a case are evidence.

Evidence includes:

(1) Physical evidence;

(2) Documentary evidence;

(3) Testimony of witnesses;

(4) the victim's statement;

(5) confessions and excuses of the criminal suspect;

(6) Appraisal opinions;

(7) Records of inquest, inspection, investigation, experiment, search, seizure, sealing up, extraction and appraisal;

(8) Audio-visual materials and electronic data.

The evidence must be verified before it can be used as the basis for determining the facts of the case.