I can't find the post now but somewhere in this thread somebody posted an article that said a teacher propped the door open minutes before the perp entered.

I'd be waterboarding that individual until I was positive this wasn't planned by more people than the shooter.

The deer hunter does not notice the mountains

"I fear all we have done is to awaken a sleeping giant and fill him with a terrible resolve" - Isoroku Yamamoto

There sure are a lot of America haters that want to live here...