I feel sorry for the lady and it may not have been a necessary shoot...
...but...
Controlling/Containing your dog is one of the main principles of Responsible Dog Ownership.
It prevents occurences such as this from happening.
That is only too true-if your dog is to protect you, you must protect and be responsible for your dog-it is the only right thing to do-you don’t let your kids run loose to get into danger...