[escapetech]

I would also add

* Open sourcing data to promote transparency and integrity.

* Whistle-blower protection of both civilians and law enforcement who witness and report misconduct.

* A national registry for those ever suspended/terminated for serious/repeated misconduct.

* Continual training and development beyond academy training.

* Transfer to different departments after a period of time in one department (as part of continual training).

* Yearly internal reviews by external (national) agencies