On: How Cops Are Using Flock's ALPR Network to Surveil Protesters and Activists

[SoftTalker]

They don't catch people doing something illegal. They might record someone's car being near some place where maybe something illegal happened. That's not the standard of "reasonable doubt" required for a criminal conviction, and at best is (weak) circumstantial evidence.

[tptacek → SoftTalker]

There is no distinction between circumstantial and direct evidence in US criminal law.