[Gene Eric]

>> Parent was stupid confronting a student.

To the contrary, the parent was necessarily proactive.

“When [parent] arrived, he found kids attacking the boy’s brother who was sticking up for him, ...”

[GingisK]

You are not well trained in social matters. Adults should never confront children or adolescents directly. You do that through the school's authority or perhaps the police. When inactivity prevails there you file paper at the courthouse.

I must say I'm a little shocked at the idiot density here at FR.