Can kids be psychopaths?

I was in a facebook group that supports people who are trying to go no contact with toxic family members, because I do have quite a few toxic people in my family. A woman posted that she was “no contact” with her 14 year old son. She placed him in a facility for violent behavior and said he was a clinically diagnosed psychopath. I’ve heard people talk this way about their kids before. They will pick mental health diagnoses that seem the most insulting and say their kids are clinically diagnosed with these things, mainly psychopathy. But a quick google search will tell you that individuals aren’t given this diagnosis until age 18. It’s not even an actual diagnosis- the correct diagnosis is antisocial personality disorder. It’s likely this kid was acting in self defense against physically abusive parents, and had now been abandoned. All of the comments were in support of the mother. As soon as I posted these three screenshots from Google, I was kicked out of ...