The best course of action is to retain a local defense lawyer.

No, this is not a search....................................

Hopefully your child is not harmed, in which case there is no basis for a lawsuit.

When someone asks "can I sue?" the answer is invariable yes. Do you have damages worth the time and expense of a lawsuit? Not IMO.

You can call the police. You can file a nuisance lawsuit.

Can he bring it? Yes. Will it matter? Not IMO...............

Outside of possibly a new machine, there are no other damages to sue for.

That is a question for a doctor, not lawyers......................

What many people don't realize is that most discrimination is perfectly legal as long as it is not based on race, gender,age, etc.

There are literally volumes of books on the subject.