Karen - I am very sorry for your loss. I cannot even begin to know the pain. I have two labs and worry constantly about the bad kids in the neighborhood that they bark at.
GB's advice is certainly right on. We face those fears as well. My town is a nice town, but, kids cooe from the next town, gang kids, because, we have a park.
We will keep you in our thoughts and continue to hope that they will some way get there just deserts.
One difference between a cook and a chef is that the cook mows the lawn, while the bread is rising.