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CNN's Brian Todd reports on al Qaeda's master bombmaker, who could be connected to the latest potential airline threat: shoe bombs.
The country's top intelligence official delivers a sobering assessment of the threats facing the US. Jim Sciutto reports.
Is the core leadership of al Qaeda losing control of its affiliates? CNN's Barbara Starr reports.
Nearly three years after Syria's civil war began, U.S. officials are growing concerned that al Qaeda is using that country as a base to recruit and train Americans to wage jihad in the West. CNN's Jim Sciutto reports.
Over the last week, battles have raged throughout Iraq's western Anbar province. There, Shiite government forces, Sunni tribesmen, and al Qaeda-linked groups have been fighting for control of major cities like Ramadi and Fallujah - where hundreds of American soldiers lost their loves. CNN's Barbara Starr reports.
Newly intercepted messages from senior al Qaeda operatives are renewing concerns for terrorist attacksÂ in the Middle East and overseas in 2014. CNN's Barbara Starr reports.
The civil war in Syria has reached new lows of chaos and violence as the Syrian opposition continues to fracture between moderate rebels and Islamist extremists - with the Islamists gaining the upper hand. CNN's Jim Sciutto reports on the deteriorating state of the opposition.
Is al Qaeda more of a threat now than before September 11th? CNN's Brian Todd investigates the growing threat from the terror group and one of their most important commanders.
This week, many lawmakers on Capitol Hill are challenging the Obama administration's support for the rebels in Syria, questioning their ties to al Qaeda and other Islamist extremist groups. CNN's Tom Foreman and military analyst Lt. Col. Rick Francona break down the many rival factions within the Syrian opposition and their different goals.
Al Qaeda's U.S.-born spokesman Adam Gadahn calls for attacks on American ambassadors. CNN's Brian Todd reports.