Given that the police have decided to, essentially, wage war on the people why don't we try fighting back? The majority might not care, but "Never doubt that a small group of thoughtful, committed, citizens can change the world." (Margaret Mead)
Dump money into personal lawsuits against officers committing negligent attacks such that they are financially ruined. Attend town meetings and demand sever cutbacks in the budgets of police departments acting this way. Put lobbying dollars to work and get change from the top down.
While that would probably work to some extent, it doesn't really solve the mentality of violence or outright ignoring Constitutional rights. (Assuming people have money to dump, which is not usually the case)
Dump money into personal lawsuits against officers committing negligent attacks such that they are financially ruined. Attend town meetings and demand sever cutbacks in the budgets of police departments acting this way. Put lobbying dollars to work and get change from the top down.