> 2. Install cameras around Police HQs. Don't they want to be safe too?

This is one of the things that makes me laugh with annoyance at the signs at, say, Customs and Immigration when entering the U.S., or at the entrances to courthouses, or (formerly) around airport screening areas. "No pictures or video are permitted. Cell phone use prohibited."

What, precisely, is going on that shouldn't be photographed? If one camera in the ceiling is good, aren't 931 cameras all that much better?

As always, the safety of the enterprise is paramount.