"Such logic ignores the fact that President Obama approved 540 drone strikes killing 3,797 people in non-traditional war zones. No one knows how many of those bodies were civilians, although for the record the U.S. says it was precisely 324. The Council on Foreign...."
http://www.theamericanconservative.com/articles/does-it-matter-who-pulls-the-trigger-in-the-drone-wars/