> I’d make queries public with a short delay…

Won't that likely victimize people who are presumed innocent of crimes until convicted?

> Won't that likely victimize people who are presumed innocent of crimes until convicted?

Don’t see why. My plate could be scanned because I’m a criminal, or because I’m a witness or a victim.

It could. The content of the query may heavily imply one or the other.

Yes just explain that in the court of public opinion. I’m sure nobody will jump to conclusions.