`` You do not kill people without warning in non-battlefield situations , '' law expert says . `` If you 're a terrorist , you 're a terrorist , '' Defense Secretary Panetta says . She said the United States was supposed to be leading the world in moving toward more human rights , more zones of peace and more use of law enforcement to respond to criminal suspects , but that has n't proven to be the case . President Obama defends killing as `` a major blow '' against al Qaeda . ` ` The president also said that the United States will continue to pursue terrorists who use civilians and children as human shields. `
`` You do not kill people without warning in non-battlefield situations , '' law expert says . `` If you 're a terrorist , you 're a terrorist , '' Defense Secretary Panetta says . President Obama defends killing as `` a major blow '' against al Qaeda . ` ` The president also said that the United States will continue to pursue terrorists who use civilians and children as human shields. `