President Donald Trump and his advisors have demonstrated an intense focus on “protecting the nation from foreign terrorist entry.” Although much public and media attention has justifiably centered on th...

Material support prosecutions comes in many shapes and sizes, but because of their frequency we often fail to notice when their are unusual or novel applications. A case in point (well, two cases in poi...

In the midst of all the U.S. domestic and Trump coverage, it’s worth noting a front-page Wall Street Journal story from ten days ago on the French government targeting French citizens fighting for ISIS i...

News coverage of the most recent terrorism attack in London has generally tracked predictable story lines: Who were the attackers? Were they inspired or directed by ISIS? What do additional arrests mean?

Editor's note: This post is also part of a series in the Brookings Foreign Policy Program on the legacies of the 1967 war. ***

Editor's note: This post is adapted from the author's testimony yesterday before the House Committee on Foreign Affairs' Subcommittee on Terrorism, Nonproliferation, and Trade, on the subject of "Nuclear...

At an April 27 hearing at the House Foreign Affairs Committee on policy options in Syria titled “After the Missile Strikes,” Charles Lister, a Senior Fellow at the Middle East Institute, cautioned the da...

The latest atrocity claimed by the Islamic State—the killing of at least 22 people, many of them children, at an Ariana Grande concert in Manchester—illustrates how the terrorism threat has evolved. The ...

The Military Commissions were busy last week in the case against Khalid Sheikh Mohammed, Walid bin Attash, Ramzi bin al-Shibh, Ammar al-Baluchi, and Mustafa Ahmad al Hawsawi. In summarizing what happened...

In an interesting examination of the role of social media platforms and terrorism, the U.S. District Court for the Eastern District of New York dismissed two related complaints against Facebook on Thursd...

Press reports that President Trump may have revealed sensitive counterterrorism information originating from the Israeli government to Russian officials are potentially disastrous for U.S. counterterrori...