The symposium appears in Journal of Moral Philosophy (2018), guest edited by Seth Lazar. The papers for were originally presented at a joint workshop on Defensive Killing and Seth Lazar’s Sparing Civilians, hosted by the Carnegie Council for Ethics and International Affairs in New York in September 2015, and co-sponsored by the Society for Applied Philosophy, Australian National University and the Knut and Alice Wallenberg Foundation.

• Christian Barry, Material Contribution, Responsibility, and Liability
• Jeff McMahan, Nonresponsible Killers
• Kimberly Ferzan, Defending Honor and Beyond: Reconsidering the Relationship between Seemingly Futile Defense and Permissible Harming
• Massimo Renzo, Political Self-Determination and Wars of National Defense
• Adil Ahmad Haque, Defending Civilians from Defensive Killing
• Helen Frowe, Defending Defensive Killing: Reply to Barry, McMahan, Ferzan, Renzo, and Haque