That would depend on what neighborhood the cop is in at any given moment.
Really? I would think it deters violence, unless you’re dealing with a total bakehead (like Michael Brown). But he is the exception that proves the rule.
Leftist propaganda aside, I think there would be much more violence in those neighborhoods if the cops were armed with just their smiles.
"(Democracy is not freedom. Democracy is simply majoritarianism. It is incompatible with real freedom.)"
The framers created a Republic, with a constitution that should limit government role and protect individual rights.