[nickcarraway]

What about misfires or jams?

[Tupelo]

Misfire by it's name will not produce a gunshot wound. That means the round did NOT go off.
A Jam by it's nature will not produce a gunshot wound. That means the weapon did not cycle a new round into the chamber.
In both cases the weapon does NOT FIRE.
So maybe that old high school rifle teacher really did know what he was talking about. Apparently you do not. -

[lawdave]

Old Joke: A hunter comes across a naked woman in the forest.

He had been told by the landowner that he could shoot game. He asks the woman, "Are you game?"

She relies lasciviously, "Yes, I'm game."

So he shot her.

[muir_redwoods]

Jams are usually caused by negligent maintenance or not cleaning properly. Misfires are events usually attributable to the round rather than the firearm. A fine point perhaps but a distinction none the less