The witness may refuse to sign the interrogation record; If the case-handling personnel take evidence by threats of violence, the evidence is illegal and should be excluded. Witnesses can report the situation to the competent leaders and main leaders of the staff, or complain to their discipline inspection and supervision departments; Or report the situation to the procuratorate; Or testify in court to prove that the case handlers illegally obtained evidence. First, the record of inquiry should be checked by witnesses, and if there are any mistakes or omissions, you can ask for revision; If the expression is not consistent with my own meaning, I may ask for revision. Otherwise, the witness can refuse to sign and keep the fingerprint.

Two, if investigators take deception, temptation or use violence, threats and other illegal means to obtain evidence, it should be ruled out according to law.

Provisions on Several Issues Concerning the Exclusion of Illegal Evidence in Handling Criminal Cases

1. Article 1 The confessions of criminal suspects and defendants obtained by illegal means such as extorting confessions by torture, witness testimony and victim statements obtained by illegal means such as violence or threats are illegal verbal evidence.

2. Article 2 Illegal verbal evidence confirmed according to law shall be excluded and cannot be used as the basis for finalizing the case.