I would agree to #4, but I wonder if the NAACP has ever demanded that police academies start training future officers about the meaning of the Equal Protection Clause and how it pertains to police officer work. Cadets are already trained in certain other aspects of constitutional law, such as how to interrogate suspects and how to conduct lawful searches, so they ought to add training in the Supreme Court's case law about racial equality. They should be trained that it is unconstitutional to treat a suspect worse because of race or national origin. If the NAACP hasn't demanded that yet, then why don't they start doing so now?
Telling fully grown adults that racism is bad isn't gonna make them stop being racist