The perspective of the shooter is not to sympathize or diminish any of what he did, but rather to shed light on how easy it is to get a gun even if you are obviously unfit to have one.
“Here, just take my money!” he interrupts
before haphazardly grabbing the pistol.
Unclenching his fist to let the crumpled money fall.
He leaves his friend with half a lemonade
and no reasoning for the purchase.
He didn’t really want to pay for it,