1. Units investigating police misconduct should not be part of police.
2. Policemen should not be considered superior witnesses in court especally without audio or video evidence.
3. Police officers should be periodically screened for psychopathic behaviour by independent shrinks. Failed cases should be immediately dealt with.
4. In case of subsequent court payout to the victims of police misconduct or their heirs, involved policemen (or even entire organisation through its pension funds) should participate in expenses in some kind of capacity.
5. In some countries' legislations there are terms like 'qualified immunity' or even 'absolute immunity' for government officials. Such exceptions shouldn't exist.
6. Petition your elected Members of Parliament to change laws and regulations according to the listed above.
7. Boycott or otherwise sanction law firms or any other public or private bodies that protect and promote police impunity.

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