[mrsmith]

You know perfectly well one out of twelve will be significantly 'below the curve' NO MATTER WHAT.
Catching them on camera and discharging them won't change that ratio. You're advocating a destructive policy.

... unless ALL of society's wealth is diverted to policing? No, the impoverished people will then be beyond any policing.

The SC police officer who shot a man in the back committed a crime- that's not germane here.

[Conscience of a Conservative]

What are you advocating, then? That poorly-performing cops be kept on the job, even after their poor performance becomes apparent?