Perhaps.
Perhaps the police department will investigate itself and find no wrong doing.
Which way to bet?
My bet is that they will investigate and clear him. The fly in the ointment will be whether the Fire Captain has enough juice to prevent it. Other than that it is a shoo in.
Cop will be fired. Should also be charged with at least manslaughter.
He had no business shooting at the dog. Either he is a terrible shot or the woman was directly behind the dog.
I used to do a lot of running. I heard about the trick of acting like you are picking up a rock. Dogs will quiet down and back off then. Rocks have been around for longer than guns and dogs know to avoid rocks.