That's EXACTLY how you miss your target, and thus present yourself as one.
The target is the perp. Center of mass is the target, as Beagle said.
People watch too much tv.
You pull that trigger, you'd better be ready to kill someone, and everything that goes with that, or you have no business pointing a gun.
I made my peace with that thought before I left for Viet Nam in 1969. I'd much rather the other guy die for his country than have me to die for mine.