At The Humane Society of the United States, we know how difficult it is to prevent cruelty to animals in movies because so many of the animal welfare problems occur behind the scenes in training, housing, and transportation, long before the animals get on the set.
One of the things I learned is that you've got to deal with the underlying social problems if you want to have an impact on crime - that it's not a coincidence that you see the greatest amount of violent crime where you see the greatest amount of social dysfunction.