I was born on the wrong planet to, Caled. I've never watched Saw, and I have no interest. Certainly no interest in really torturing people. I wouldn't say that torturers don't "deserve" to be tortured, but that it would be wrong to torture them. And while I don't necessarily "understand" Hell, I trust God on that point. But the thought of imperfect humans deciding to torture others is barbaric. You are correct.
Recons of all people should know that "greater good" defenses don't work. The ones I know do...