Isis: The State of Terror

The Islamic State, known as ISIS, exploded into the public eye in 2014 with startling speed and shocking brutality. It has captured the imagination of the global jihadist movement, attracting recruits in unprecedented numbers and wreaking bloody destruction with a sadistic glee that has alienated even the hardcore terrorists of its parent organization, al Qaeda.

A revelatory look inside the world's most dangerous terrorist group.
With brutal attacks across the world—Paris, Beirut, Egypt, Turkey—the Islamic State of Iraq and Syria (ISIS) has proved itself the greatest threat today.