Seize everything the perps own, which probably includes some land where they were operating their disgusting activities, and put it all into a trust for the care of the dogs.
Cut off their nads, remove their teeth and claws. The ones that are incapable of obedience should be put down. They say that pitbulls are usually very devoted to one person and will do anything for that person. everyone else is the enemy. So with teeth and claws gone, they should be able to make a good pet for someone.