Here's a blog entry with a little more info:
I like the quote by the officer: "Do You think this is first 6-Year-Old we've arrested?"
Unfortunately a society where a six year old blows a classmate's brains out with a 9 mm, is going to err on the side of caution.
Kid hit a teacher. Teacher can't hit back. I'm guessing these people just followed procedure.
It may seem extreme, but welcome to America in the 21st century.