Earlier quoted context omitted.
Was it violent, or did he have a normal autistic reaction to the shitty things police do when they're on a mission? Every autistic interaction I've ever seen with police has ended up with the police making some obvious mistake that made it impossible for the autistic person to react "properly". They always say confusing things, and they bark their orders over and over really fast so you can't think straight and thus…
You seem American. Here in the UK we take this seriously. Yes, police are actually trained.
The police drew their guns and the autistic person and the person calming them laid on the ground and complied. Somehow, the police fired at the calming person and hit them. I believe they survived but it's crazy over here.