I hope that happens (all caught and executed). But Satan will deceive the next group of unbelievers, and in a few decades build up another army of the walking dead to do his bidding.

People think coming down hard on evil criminals is harsh and undue punishment, but that is a short sighted view of what we are dealing with, and that's how we ended up here with millions of people killed by the DS every year. Very few people bother to add up the numbers and attribute them to the evil stake holders in the game.