Georgetown Journal of International Law: Assassination and Targeted Killing - Council on Foreign Relations the US CFR chews over the implications of the great game in the age of drones "But now, with the advent of armed unmanned aerial vehicles (UAVs), such as "Predator" and "Reaper" drones, it is possible for governments to engage in targeted killing operations, continents away, while sitting at a computer terminal, thus raising additional legal and policy questions regarding what constitutes an assassination and what may be deemed a permissible targeted killing"