Frontline Investigates

The ISIS Threat

Sipa via AP Images


Hunting ISIS

January 31, 2017 // 24m
Inside an elite special operations unit at the center of the fight against ISIS in Iraq.
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Inside the Rise and Reign of ISIS's Leader
Whether dead or alive, Abu Bakr al Baghdadi has been key to the rise of the Islamic State.
June 16, 2017
The Battle for Mosul: "I Have Never Seen Such Hard Fighting Like This"
Iraqi forces have been trying to oust ISIS since October, but they must fight among, protect and win over the many thousands of civilians in the city.
January 31, 2017
A 360° View Inside the Brutal Battle for Mosul
"Battle for Mosul" follows Iraqi-born reporter Ghaith Abdul-Ahad on a dangerous trip inside a key battleground in the fight against ISIS.
January 31, 2017
U.S. Identifies ISIS Planner in Attacks on Europe
U.S. and European counterterror officials are zeroing in on Islamic State masterminds of a terror campaign against Europe that continues despite military setbacks for ISIS in the Middle East.
November 22, 2016
To Catch a Terrorist
How France is battling the threat from within.
November 12, 2016
How Europe Left Itself Open to Terrorism
The ISIS attacks on France and Belgium exposed weaknesses in Europe's approach to borders and information sharing that counterterror officials had warned about for years. The vulnerabilities remain largely unaddressed.
October 18, 2016
Ash Carter: No Confusion About U.S. Interests In Fight Against ISIS
In the fight against ISIS, the Obama administration has been forced to work with partners who often have strikingly different agendas than the United States. "The Middle East is a confusing place," Defense Secretary Ash Carter says of the situation, "but we're not confused about what American interests are."
October 11, 2016
Chuck Hagel: U.S. "Credibility" Was Hurt By Policy in Syria
The Obama administration's early policy in Syria damaged U.S. "credibility everywhere in the world," says former Defense Secretary Chuck Hagel.
October 11, 2016
Brett McGurk: U.S. Has Not "Turned a Corner" Against ISIS
"I would be the last one to say that we've turned a corner," says Brett McGurk, the Special Presidential Envoy for the Global Coalition to Counter ISIL. "This remains a lethal terrorist organization."
October 11, 2016
Who's Who in the Fight Against ISIS?
While the U.S. has maintained a narrow focus on degrading and ultimately defeating ISIS, competing agendas among a group of eight key players involved in the fight have served to complicate that effort.
October 11, 2016
Why Beating ISIS in Mosul Won't End the Threat of Attack
American and Iraqi forces are gearing up for another big fight against ISIS, but victory may not matter much in the overall battle to eradicate the terrorist group.
October 11, 2016
ISIS via WhatsApp: 'Blow Yourself Up, O Lion'
A trove of communications from ISIS plots and activity in Europe reveals a mix of direct control and improvisation and shows the crucial importance of encrypted messaging tools. “Detonate your belt in the crowds,” one message declared.
July 11, 2016