I disagree. People paid by the public must be accountable to the public and all their (paid) actions should not be private. (Exceptions may apply to this general rule, though they are debatable)
Just because someone does public work doesn’t mean they should be denied a private life.
Are you saying the goal of de-anonymizing is to punish the police?
Earlier it seemed like you were interested in trials: https://news.ycombinator.com/item?id=24862054