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With estimates about the number of ISIS fighters increasing, Jim Sciutto asks: what exactly is the U.S. up against?
The CIA now says there are between 20,000 to 31,500 ISIS fighters operating in Iraq and Syria. CNN's Jim Sciutto reports.
As President Obama gears up to reveal the strategy for containing ISIS, Jim Sciutto reports on what is known of the plan.
In an interview with CNN's Jim Sciutto, Secretary of Defense Chuck Hagel expressed anger and outrage towards ISIS.
As ISIS sweeps across Iraq and Syria and strikes fear in the heart of Westerners, many are baffled about who this group is, where they came from, and what connection they have to other Islamist jihadi groups. CNN Chief National Security Correspondent Jim Sciutto explains the similarities and differences between ISIS and al Qaeda.
As the U.S prepares to send more advisers to Iraq, there are new concerns that the U.S. is entering the murky waters of "mission creep." CNN's Jim Sciutto reports on the growing number of U.S. troops on the ground in the war-torn country.
CNN's Jim Sciutto takes a look at the United States considering air strikes in Iraq in response to a militant surge.
These days, it seems the whole world is on fire, but no where more so than the Middle East. Even seasoned experts in foreign affairs agree: The crisis there is the worst they have ever seen. From the violence in Gaza to the rampage by the Islamic State, Jim Sciutto explains the region's instability.
Late Monday, Israel and Palestinian factions, including Hamas, agreed to a 72-hour humanitarian cease-fire proposed by Egypt. While both sides still appear suspicious of each other, the deal seems to be holding for the moment.