Matthew C. Waxman examines whether cyberattacks are a use of force as defined by the UN Charter.

Recent events in Darfur raise the familiar question of whether international law facilitates the kind of early, decisive, and coherent action needed to effectively combat genocide. Matthew C. Waxman argues that putting decisions about international intervention solely in the hands of the UN Security Council risks undermining the threat or use of intervention when it may be most potent in stopping mass atrocities.

Guantanamo Bay, where hundreds of terror suspects have been detained since 9/11, has underscored the need for flexibility and careful balancing in detainee policy to confront twenty-first-century threats, writes CFR's Matthew Waxman.

Targeted killings are up in Yemen and military trials have resumed in Guantanamo. CFR's Matthew Waxman assesses the White House's evolving legal basis for its war on al-Qaeda.

Civil liberties will present the winner of the 2012 U.S. presidential elections with challenges related to counterterrorism powers and practices, as well as challenges related to privacy rights, says CFR's Matthew C. Waxman.

News of planned military trials for five 9/11 suspects underscores the Obama administration's need to more forcefully defend the necessity of military tribunals if they are to have legitimacy at home and abroad, says CFR's Matthew Waxman.

Matthew C. Waxman discusses U.S. attorney general Eric Holder's address providing the Obama administration's legal rationale for targeted killings of certain al Qaeda suspects--including U.S. citizens.

Matthew C. Waxman examines the role of local police in counterterrorism intelligence.

Detainee policy that would mandate military custody for al-Qaeda suspects captured in the United States could have a detrimental impact on U.S. counterterrorism operations, say CFR legal experts Matthew C. Waxman and John B. Bellinger III.

Adam Segal and Matthew C. Waxman discuss the London Conference on Cyberspace and argue that progress toward a vision of cybersecurity and freedom will be incremental and achieved through multiple arrangements between state and private actors rather than through a global accord.

Which policies have worked and which ones need work ten years after the worst terrorist attacks in U.S. history? CFR experts examine ten issues that have preoccupied U.S. planners.

Guantanamo Bay, where hundreds of terror suspects have been detained since 9/11, has underscored the need for flexibility and careful balancing in detainee policy to confront twenty-first-century threats, writes CFR's Matthew Waxman.

Matthew C. Waxman discusses the lawsuit challenging U.S. participation in the Libyan military mission.

Matthew C. Waxman examines whether cyberattacks are a use of force as defined by the UN Charter.

U.S. drone strikes and "kill/capture" missions against al-Qaeda operatives, particularly in Pakistan and Yemen, have gained new attention and notoriety this spring. Four experts debate the legality and efficacy of the controversial counterterrorism strategy.

Recognizing the limitations of current international systems based in The Hague, David A. Kaye provides a strategy for promoting national-level justice and accountability mechanisms to prosecute perpetrators of mass atrocity crimes.

Daniel L. Byman and Matthew Waxman discuss six reasons why it's been so tough to get Muammar al-Qaddafi to quit.

As President Obama prepares to present his case for the Libya intervention, congressional members are squaring off over it. The president is on solid legal ground, but it could erode if Libyan operations continue for months, says CFR's Matthew Waxman.

With his new executive order on Guantanamo, President Obama acknowledges that the controversial detention center will remain open for some time, says CFR's Matthew Waxman, but provides improved protections and review processes.

Congress passed a short-term extension for three surveillance provisions of the Patriot Act to allow for more debate, which CFR's Matthew Waxman says will likely focus on tightening restrictions and oversight.

The Ghailani verdict focuses renewed attention on the debate over how to detain and prosecute terrorism suspects, which will persist until the Obama administration comes up with a firm policy, says CFR's Matthew Waxman.

A snag in the civilian trial of Guantanamo detainee Ahmed Ghalani could be a setback for Obama administration efforts to close Guantanamo.

The Supreme Court's upholding of bans on "material support" for foreign terror groups, even involving legal activities, reflects a further post-9/11 broadening of federal powers, writes CFR's Matthew C. Waxman.