Sounds like he missed. Maybe she caught a stray pellet. At six feet any 12 gauge load is deadly in a chest shot.
Everything counts on the details. May he just grazed her skin.
If you have a chance, shoot something that can show penetration with a 12 gauge at six feet. A bird shot load at that range is devastating.
I usually use gallon milk plastic bottles full of water in my demonstrations.
I was wrong about her having only superficial wounds. An article about her testimony at trial:
She awoke at Harborview Medical Center and learned she’d been shot on the right side of her chest. An artery in her shoulder was hit, which is why there was so much blood, and pellets collapsed her right lung, Williams testified.
She affirmed that she didn’t want to discuss what she’s gone through to recover from her injuries and was excused after only 18 minutes on the witness stand.
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Below is the video of her getting shot and the take down. The student that was killed was outside, as were one or two others that were wounded. I guess another learning point - if you’re shooting a bad guy with bird shot, he still might have plenty of energy to pull his gun and shoot back. The first thing the girl does after she turns around is pull out her phone! The way she was still acting in the video is why I didn’t think that she had been hurt that bad.
https://www.youtube.com/watch?v=WfGBiib9qBg