there's something wrong inside the "black community"

Why is there ever a need to publicly talk about "black community"? If anti social behavior had a sufficient deterrent, either legal or otherwise then the "black community" wouldn't be a problem.

If I use it as a defense

That is something you would be doing in private. Public agitation is different than private conversation.

You have to remove liberty to fight those who would remove liberty from you

You have to remove liberty from the ones who would remove liberty from you, were they given the opportunity, yes.