How did the shooter’s car find its way to the parking lot? Did anyone see it get there? Didn’t think so. Worthy of more study.
It flew in like the Batmobile
Did anyone see it get there?
It has a cloaking device.
Worthy of more study.
and postulation
I hadn’t even THOUGHT of that.
What if the car was like Christine? Then maybe the car drove itself to the school, and threw open it’s own doors, and spit out all the clothing.
Or maybe Adam was just cleaning his car that day, and he wanted a quiet place to do it, so he drove to that parking lot, and opened all the doors, and was getting everything out so he could vacuum. But the mercury seeped up, got into his brain, and made him decide to kill the kids instead.