Ok gentlemen here’s some information from a 24 year fire/security tech who has worked everything from hospitals to federal buildings to gas stations.
1. A camera is primarily a visual deterrent.
2. The video can’t be used in court unless there was signage indicating cctv in use.
3. A video is only as good as the investigator reviewing it.
4. The video has to be 100% clear to leave no question of the crime committed.
5. Audio is completely forbidden as it is an invasion of privacy.
They have nothing to do with the government. They are worried about income and power, not recognizing you. There’s software for stuff like that and typically iris scanners and palm readers are used for that in federal buildings and medical facilities.
Just my .02, but I have the career to back it up.