With little to no repercussions financially to the department or employee and no major career punishments, what do you propose instead?
When police officers commit blatant misconduct the officers involved should at least be fired and criminal charges should be applied to them if applicable. This is how it works for every other job, not sure why police should be different.
Increase police training requirements. They're woefully undertrained in the US (at least relative to Germany and several other Western European nations).
National LEO registration or something similar to stop the movement of bad officers from one department to another.
6. Body cams/Film the police
8. End for profit policing
10. Fair police union contracts