In the process of making administrative law enforcement records, whether it is necessary to inform the parties in advance whether to prove fixed evidence in the form of audio and video recording.
I don't know if you are asking these questions to bring a lawsuit against the administrative organ. If so, it is the administrative organ that proves the legality of its administrative actions in administrative proceedings. In other words, if it was necessary to bring these security records at that time, they should be brought by the administrative organs. If it cannot be brought because of destruction, it shall be presumed that the evidence is unfavorable to the administrative organ.