(Published on Opinio Juris, as part of a book symposium, June 4, 2012)
Jens Ohlin’s chapter in Targeted Killings, “Targeting Co-Belligerents,” provides an important analysis of one of the key questions in the targeted killing debate, and makes a persuasive argument in favor of one possible response to it. In doing so, however, I wonder if it leaves another fundamental question hanging, which I lay out below for him to address. First, however, let me provide a sketch of his argument.
Jens begins by noting how the US targeted killing policy, and the transnational terrorism against which it is directed, raises difficult questions regarding which legal regime should be controlling. Not only is there an ongoing debate as to whether responses to terrorism should be governed by domestic criminal law within a law enforcement paradigm, or public international law in the context of armed conflict, but even for those who accept the armed conflict paradigm there are debates over whether the principles of jus ad bellum or jus in bello are best suited to justify the targeted killing.
Against that backdrop, and assuming for the sake of his analysis that some targeted killing will be permissible in some circumstances, Jens addresses the question: “who can be targeted and why?” His stated objective is to investigate “the tension between national security and civil liberties through a distinctive framework: what linking principle can be used to connect the targeted individual with the collective group that represents the security threat?” As he explains, regardless of whether one approaches the problem from a jus in bello or a jus ad bellum perspective, the problem of linking the individual targeted to some collective is an essential step in the justification process. … Read more…