Army. Hello and welcome to al jazerra america. A am stem any sy. The Obama Administration calls drones an important weapon in the war on terror but pakistans Prime Minister says their use is a threat thr et to his people and must stop. Leaders are meeting at the white house today after two groups were critical of the drones. They say they kill is vernal vinnies, violate International Law and their use may be a war crime, Randall Spinks tonight reports. Reporter Amnesty International focused on drop strikes in pakistan. Investigators say they researched nine of 45 known drone attacks which occurred between january 2012 and august 2013. In one strike, they claim 18 laborers were reportedly killed. The most challenging situation we had to face watt the complete and utter secrecy oof the u. S. Authorities. Because of that we cannot be 100 percent certainly, but we are extremely concerned that these and other killings documented in our report macons toot executions or war crimes. Reporter t