Snipers use something called "Bubble compartmentalization" to block everything out from their minds; and zone in the particular object.
The guy you hit? If he got a look at the plates, it won't even take that long. There's no play here. There's no angle, there's no champagne room. I'm not a miracle worker, I'm a janitor. The math on this is simple; the smaller the mess, the easier it is for me to clean up.