Legal analysis: As a type of evidence, surveillance video can be obtained by judicial staff with certificates, including law firms. This is true in the three major procedural laws. There are clear regulations.
Legal basis: "Criminal Procedure Law of the People's Republic of China and the State"
Article 36 stipulates that defense lawyers provide legal assistance to criminal suspects during the investigation; represent the appeal , accuse; apply for changes in compulsory measures; learn from the investigation agency about the suspect's suspected crime and circumstances related to the case, and provide opinions.
Article 39: If the defender believes that the evidence collected by the public security organs and the People's Procuratorate during the investigation, review and prosecution period that can prove the innocence of the criminal suspect or defendant or the misdemeanor of the crime has not been submitted, he has the right to apply for a People's The Procuratorate and the People's Court shall request.