One drone strike in January 2006 was said to have narrowly missed Ayman al-Zawahiri, although it killed nearly 18 others.
It lets America drive three-quarters of its war supplies from Karachi, and goes along with immensely unpopular drone strikes against extremists in its own tribal areas.
In total, according to our analysis, less than two percent of those killed by U.S. drone strikes in Pakistan have been described in reliable press accounts as leaders of al Qaeda or allied groups.
