Run against her with a gun in your hand

A veteran cop, an ice cold serial killer.
With a loaded gun in his hand.

Versus some girl with a gun and no bullets.
This girl decides to run against him to pistol-whip him when he gets close.

What does the veteran cop ice cold serial killer do?
He decides to also run against her in order to....also beat her with the pistol?

LMFAO. What a retarded scene in an otherwise good woke movie.