Latest in Islamic State

Islamic State

The Reach of ISIS's Virtual Entrepreneurs into the United States

The Islamic State’s use of social media and online tools to radicalize and recruit Westerners has become a subject of great interest among researchers, analysts and policy makers. Recently, attention has focused on the group’s use of its English-speaking members, primarily based in Syria and Iraq, to virtually connect with Americans and often encourage them to commit terrorist attacks within the United States.

Donald Trump

National Security-Relevant Portions of Trump's Address to Joint Session of Congress

This evening, President Donald Trump is delivering his first address before Congress. Below, we have aggregated the portions of his prepared remarks that are relevant to Lawfare readers. We will update this post if the final speech differs significantly from the remarks as prepared.

Detention & Guantanamo

British Ex-Guantanamo Detainee Among Mosul Suicide Bombers

This past Sunday, Iraqi Prime Minister Haider al-Abadi announced renewed efforts by Iraqi forces to retake western Mosul from ISIL, which would include about 450 U.S. advisers “operating closer and deeper into Iraqi formations,” according to Lt. Gen. Stephen Townsend. News of the surge was eclipsed, however, by a suicide bombing carried out by the Islamic State. The attack consisted of three vehicle-borne improvised explosive devices, commonly called VBIEDs.


The Dangers of Walling Off America

In my twenty years of government service, I have been part of three Presidential transitions. In my experience, it is common for members of an outgoing administration to be unsure—and sometimes skeptical—about the policy direction of the administration that succeeds them. Having spent the last four years as President Obama’s principal advisor on homeland security and counterterrorism, my concerns today are broader than any particular policy.


International Terrorism Prosecutions: Wife of Orlando Shooter Indicted

Late last week, a federal grand jury in the Middle District of Florida returned a two-count indictment against Noor Zahi Salman, the wife of Orlando shooter, Omar Mateen. On June 12, Mateen opened fired in the Pulse nightclub in Orlando, Florida, killing 49 people and wounding 53 others.


International (and Domestic) Terrorism Prosecutions: ISIL, FARC, and the KKK

During the month of December, the Justice Department kept busy with the usual counterterrorism suspects—ISIL supporters (mostly young men) in Virginia, Ohio, and North Carolina were arrested, sentenced, and pleaded guilty in federal district courts. The Department’s counterterrorism headlines over the past few weeks also covered a range of more unusual cases in both international terrorism and domestic terrorism, including the sentencing of an international arms trafficker and a Ku Klux Klan member.

International Terrorism Prosecutions


The Limits of Air Strikes when Fighting the Islamic State

When it comes to the Islamic State, who doesn’t want to “bomb the shit out of them,” as our President-elect so eloquently put it? The group is violent, aggressive, and almost cartoonishly evil: torture, mass murder, and sexual slavery are only a few of the abhorrent practices the Islamic State embraces. Left unchecked, it may consolidate power and expand.

Foreign Policy Essay

The Islamic State-Taliban Rivalry in Afghanistan

Editor’s Note: Radical Islam is not a monolith. The Lebanese Hizballah fights the Islamic State in Syria, Hamas has crushed al-Qaeda sympathizers in Gaza, andmost importantly from a U.S. perspective—al-Qaeda and the Islamic State are bitter rivals. This tension shows up in Afghanistan, one of the most important U.S. theaters of war. Seth Jones of the RAND Corporation details how a surprising source contains the Islamic State therethe Taliban.


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