You're right the cops are but part of the problem, but we cannot just address cops without addressing the broader issue of the uneven application of law that makes for those circumstances. I get a narrow focus of behavior allows you to apply your social solutions, but does nothing to shed light on the greater factors of economics or systematic inequality which prevails. As Clete alludes its just not confined to black people since a larger number of white people along with other minorities, are in the exact same boat. That's what the protestors are saying, and joined by non black supporters as well (As seen not just across the country, but globally as well and that's a verifiable FACT.), even though your main focus is on the violence while dismissing the entire message of the non violent protestors.

