02/04/2013 09:16 pm ET Updated Apr 06, 2013

Justice Department Memo Reveals Legal Case For Drone Strikes On Americans

A confidential Justice Department memo concludes that the U.S. government can order the killing of American citizens if they are believed to be "senior operational leaders" of al-Qaida or "an associated force" -- even if there is no intelligence indicating they are engaged in an active plot to attack the U.S.

Read more on NBC News