The biggest kill since Osama bin Laden, ABC news reports that Pakistan officials say al Qaeda's number 2 was killed by an American drone.
As many as 17 other suspected militants also were killed. It was the third drone attack in three days and the seventh in less than two weeks.
There have been 300 airstrikes in Pakistan alone since 2004, all but 45 under president Obama, not George W. Bush according to longwarjournal.com.
New York Times correspondent David Sanger has written a book about President Obama's strategy called "Confront and Conceal: Obama's secret wars and surprising use of American Power." CNN's Erin Burnett asked Sanger about America's use of drones and the potential backlash.
U.S. official: Al Qaeda leader target of drone strike in Pakistan
Abu Yahya al-Libi, the No. 2 man in al Qaeda and a longtime public face of the terror network, has been targeted by a drone strike in Pakistan's tribal region, a U.S. official said Tuesday.
Investigators are trying to determine whether al-Libi was injured or killed in the Monday strike, which killed 15 militants and wounded three others, the official said.