Not sure how much warrants are going to help when a judge will see a stack of requests from a police chief and just rubber stamp them all without looking. This is already a problem in places where warrants are required.

With a search warrant, I can submit FOIA requests or go to the courthouse.

With flock searches, I (usually) can't because Illinois law exempts ALPR records. Here's the most egregious example I've seen: https://www.muckrock.com/foi/waukegan-11153/flock-safety-alp...