It's not the deer but total lack of empathy that scares me.
Kids do rally stupid things, giving in to impulses, particularly as a group. Quoting University of Rochester Medical Center for one, "The rational part of a teen’s brain isn’t fully developed and won’t be until age 25 or so. " This is beyond dispute. Hopefully a criminal prosecution will be a swift slap up side the head and they'll straighten up. Those that don't take the hint are why I conceal carry. Fortunately most do.
And some of you guys wanted the death penalty for the kid that lifted his leg.