Sounds like you've been made whole. I guess you and the townsfolk could go burn them out and make sure none survive, but one will survive and then
-this is how you get Freddy Kruger.
Go you want Freddy Kruger?
Buy cameras, lock up your shit because you have a rat problem, maybe set up a shooting range in a conspicuous place and use it obnoxiously like you're driving a stolen tractor downtown to buy doughnuts. This is your life now.