I think that is the problem. There is no physical damage of shock to provide evidence.
However, absence of evidence is not necessarily evidence of absence, and I guess if you bang/flop a deer which meets neither of your above criteria it must be a possibility.
Which takes me back to the ballistic gel tests. As you have shown, a bigger, heavier projectile doesn't necessarily produce a bigger wound channel but the extra kinetic energy it carries must go somewhere. It doesn't just disappear.
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