We did draw blood from the driver and that is to see if there's anything in his system that would cause him to be impaired.

We've seen a reduction in unlocked vehicles.

Basically, what you have are four kids that were goofing around.

We know everybody that was involved.

We have to complete our investigation before we can make any final conclusions. That's why no charges have been filed at this point.

We found no evidence ? open liquor bottles or beer cans ? of alcohol or drug use. Their use is not ruled out.