In the post-September 11 era, the United States has suffered fewer terrorist attacks than many observers expected, even as the threat of the Islamic State looms. The relative safety of the U.S. homeland ...

Last Thursday at the Aspen Security Forum—an annual gathering of current and former government policymakers, foreign officials, foreign policy experts, and journalists hosted by the Aspen Institute—Assis...

The New York Times reports that the Justice Department has brought Al Qaeda suspect Ali Charaf Damache to Philadelphia to face prosecution in federal court, where a grand jury indicted him in 2011. The f...

Returned foreign fighters pose a significant terrorism threat to their home countries, but policies that aim to block the flow of foreigners frustrate some of these would-be jihadists. That frustration p...

The military commission to try Abd al Hadi al Iraqi met only once this week. The commission discussed the publicity of the al Darbi deposition, al Hadi’s presence at that deposition, the exclusion of al ...

Military Commissions Chief Prosecutor Brigadier General Mark Martins released the following statement yesterday on the occasion of the conclusion of military commissions hearings this week in the case of...

The Court of Military Commissions Review (CMCR) has issued two new orders in recent days in the cases of Ibrahim Ahmed Mahmoud al Qosi and the five accused 9/11 conspirators. In the latter case, the Miam...

Military Commissions Chief Prosecutor Brigadier General Mark Martins released the following statement on Tuesday on the occasion of military commissions hearings this week in the case of Abd al-Hadi al-I...

Al Qaeda’s power and influence have fallen considerably from its peak in the aftermath of the September 11th attacks, but several well-respected analysts suggest the group remains strong and may resurge....

Yesterday, the Supreme Court decided Ziglar v. Abbasi, an important case curbing lawsuits against former government officials for purported abuse of federal detainees. Some will view this decision as an ...

Why didn’t the United States invade Afghanistan and destroy Al Qaeda before September 11, 2001?

Editor's note: This post is adapted from testimony given by the author before the Senate Committee on Foreign Relations on June 8. Video of the hearing is available here. ***