This one I'm going to blame on this senseless hate lots upon lots of people have about pit bulls and not "police aggression" which is what people are going to be turning this into. People have poisoned other people's dogs for having a pit bull and hell a lot of neighborhoods don't allow the breed which is silly because any dog can be violent if you raise it to be violent and any dog can be good if you raise it to be good.
Also, you can't even have legal action in some states for killing a dog. The family might be able to sue since it's property.
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Article claims he had a valid reason.