It’s remarkable because of the stress and lack of training.
That’s what I’m talking about. Anyone with little experience can take a much longer shot than that (at a range, at a stationary target, when they are calm, cool, and collected), but consider his target, the scoping he was doing, and that he was already being followed/tracked, he was probably freaked the hell out. It’s incredible that he got a single shot as close as he did.
It’s also an absolute and ridiculous security failure that he got a shot off at all.