Some American law enforcement and national security officials speculate that the Taliban takeover in Afghanistan may embolden American jihadist sympathizers.

Fourth Amendment doctrine and new policing technologies have made law enforcement less transparent, less accountable and less trustworthy. Transparency law is beginning to fill the gap.

The reports offer a clear-eyed analysis of the climate threats facing the nation and world.

The European Union has stopped issuing cyber sanctions, but it's not for lack of new attacks.

Belarus is currently using migrant issues as “lawfare” in its hybrid operations against Western European neighbors.

States have recently passed laws targeting a range of protest actions. How exactly do these statutes work and what constitutional questions do they raise?

Al-Qaeda will now have a more permissive environment in which to operate, but the precise context will be important for the U.S. policy response.

The prosecution of Michael Sussmann’s indictment may seem unconnected to the precipitous drop in the volume of the intelligence community’s use of complex investigative techniques. The two are, in fact, ...