Legal analysis: When being questioned, you must first verify your identity and ask the other party to produce valid and legal documents; Secondly, if you are a law enforcement officer of a non-state power organ, you can appropriately retain your right to privacy.

legal basis:

article 198 of the regulations on the procedure of handling criminal cases by public security organs

when interrogating a criminal suspect, investigators should first ask whether the criminal suspect has committed a crime, and inform the criminal suspect of the legal provisions that he can truthfully confess his crime and be given a lighter or mitigated punishment, so that he can state the plot of guilt or the excuse of innocence, and then ask him questions. A criminal suspect shall truthfully answer questions raised by investigators. However, we have the right to refuse to answer questions irrelevant to this case. In the first interrogation, the criminal suspect's name, alias, previous name, date of birth, domicile, current residence, native place, birthplace, nationality, occupation, education level, family situation, social experience, whether he is a deputy to the National People's Congress or a member of the Chinese People's Political Consultative Conference, whether he has been subjected to criminal punishment or administrative treatment, etc.

article 199 when interrogating a deaf or dumb criminal suspect, people who are familiar with deaf or dumb gestures shall participate, and the hearing record of the criminal suspect shall indicate the deaf or dumb situation, as well as the name, work unit and occupation of the interpreter. When interrogating a criminal suspect who is not familiar with the local language, translators shall be provided.

article 2 investigators shall truthfully record the questioning and the confession or excuse of the criminal suspect. When making interrogation transcripts, materials that can keep handwriting for a long time should be used.

article 21 the interrogation record shall be checked by the criminal suspect or read to him. If there are omissions or errors in the records, the criminal suspect shall be allowed to supplement or correct them, and his fingerprints shall be fingerprinted. After the transcript is checked by the criminal suspect, it shall be signed and fingerprinted page by page, and it shall be written on the last page that "I have read the above transcript (or read it to me) and it is consistent with what I said". If the investigator refuses to sign or fingerprint, the investigator shall indicate it in the record. The items listed in the interrogation record shall be completed in accordance with the regulations. Investigators and translators shall sign the interrogation record.

article 22 if a criminal suspect requests to write his own confession, he shall be allowed; When necessary, investigators may also ask the criminal suspect to write a confession in person. The criminal suspect shall sign and fingerprint the handwritten confession page by page. After receiving it, the investigators should write "received on a certain day of a certain year" on the top right of the home page and sign it.

Tips

The above answers are only made for the current information combined with my understanding of the law. Please refer to them carefully!

if you still have questions about this issue, I suggest you sort out relevant information and communicate with professionals in detail.