This paper critically examines John Mark Mattox's view of the nature of the moral appropriateness of particular response options. By so doing, I aim to engage the wider readership in a debate, which I hope leads to greater clarity and precision of thinking on these topics. After summarizing Mattox's view, I argue first that in order for Mattox's ultimate conclusion to hold in moral terms, he must abandon the argument on the permissibility of nuclear reprisal to re-establish nuclear deterrence and (...) instead anchor this response solely on the moral grounds of retributive justice. Secondly, I argue that the morally superior and politically efficacious counter-nuclear terrorist response is to hunt down the nuclear terrorists and hold them accountable for war crimes in the International Criminal Court. This response is consistent with just war theoretic principles, and it also affirms the moral virtues of honor, dignity, and humane treatment in contexts where they are needed the most? the holocausts of nuclear terrorist attacks. (shrink)