It depends on the specific situation. If the case is directly put on file for investigation by the detention center, the monitoring audio and video recordings shall be kept in principle until the case is closed, and all audio and video recordings during the trial shall be kept permanently. If it is a case investigated by other handling units, the detention center has no right to record and video the interrogation site in the interrogation room. First, the detention center performs its functions and powers entrusted by law, and conducts management and supervision according to the Regulations on Detention Centers; There is no clear legal regulation on how long the monitoring in public places should be kept, and it is generally kept for more than 3 months.
Two, the whole process of audio and video recording of the trial site, the case handling organ is responsible for; The detention center has no right to record and video the interrogation scene of the case-handling organ in the interrogation room. There is no question of how long it will be kept. If the detention center burns it privately, which is a serious illegal act, causing the case to be leaked or causing other serious consequences, the relevant personnel shall be investigated for party discipline or legal responsibility in accordance with the regulations.