Nothing strange about that. I pass out or damm near pass out when I get shots. Can have blood draws all day without effect though. Don't know why. It's a needle for both. Shots will do it, blood draws won't.
Some Referee with a Starter Pistol.. The Shot Heard 'Round the World.
Or possibly giving up intel on additional fuckery out of GA runoff elections?
If wielded properly, and given an element of surprise, absolutely!