[Brian Pfleuger]

Here would be the SC law in question, I believe:

§ 47-3-530. Penalties for stealing or killing identifiable dog.

Any person stealing any positively identifiable dog is guilty of a misdemeanor and upon conviction must be fined not less than five hundred dollars nor more than one thousand dollars or imprisoned for not less than thirty days nor more than six months, or both.

Any person killing any dog when owner may be identified by means of a collar bearing sufficient information or some other form of positive identification is guilty of a misdemeanor and upon conviction must be fined not less than five hundred dollars nor more than one thousand dollars or imprisoned for not less than thirty days nor more than six months, or both. This paragraph does not apply to the killing of a dog threatening to cause or causing personal injury or property damage.

I believe that the bolded sentence would quite handily except the OP from prosecution...