I doubt he really thought the dog was any of the bully breeds.
More likely, he used that as an excuse to cover for the enjoyment he gets from shooting dogs.
He should be removed from the force, jailed, and whatever his yearly salary is, it should be given to the dog’s owners.
Do THAT every time a dog is shot, and the “procedure” will stop faster than you can say “molasses”.
“I doubt he really thought the dog was any of the bully breeds.
More likely, he used that as an excuse to cover for the enjoyment he gets from shooting dogs.”
I suspect there’s an element of truth to that statement.