The best way to crumple pigs (aside from a brain shot) is to put a bullet that penetrates OK in the center of the neck, just in front of the shoulders. It will either take out the spine or the mass of blood vessels alongside the spine.
^^^^^This^^^^^
"An archer sees how far he can be from a target and still hit it, a bowhunter sees how close he can get before he shoots." It is certainly easy to use that same line of thinking with firearms. -- Unknown
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