He positioned himself in front of her car, against their training from what I am aware.

Woman is driving at a snails pace

If you look at the car on the right from the footage, it has it's door open, fully extended, and she has to swerve out to get around it, into the path of the man who is in no danger whatsoever, could easily have side-stepped, as he has enough time to draw, aim and discharge his weapon.

Takes another two shots from from the SIDE of the vehicle as it curves around, with absolutely no threat to himself to speak of.

Indefensible