FBI Director Robert Mueller said Wednesday the bureau has launched an investigation into who leaked information about an al-Qaida plot to place an explosive device aboard a U.S.-bound airline flight.
A law enforcement official says investigators are conducting a probe into who leaked information about an al-Qaida plot in which an explosive device was to have been detonated on a U.S.-bound airline flight.
President Barack Obama's counterterrorism adviser says the discovery of a new plot to take down a U.S.-bound airliner shows the al-Qaida organization remains a threat a year after Osama bin Laden's killing.
The CIA thwarted an ambitious plot by al-Qaida's affiliate in Yemen to destroy a U.S.-bound airliner using a bomb with a sophisticated new design around the one-year anniversary of the killing of Osama bin Laden, U.S. officials said Monday.