US Air Force handout image of a Predator drone

 
US Air Force handout image of a Predator drone
Undated handout image courtesy of the U.S. Air Force shows a MQ-1 Predator unmanned aircraft. The U.S. government has authorized the killing of American citizens as part of its controversial drone campaign against al Qaeda even without intelligence that such Americans are actively plotting to attack a U.S. target, according to a Justice Department memo.REUTERS/U.S. Air Force/Lt Col Leslie Pratt/Handout