Spencer Ackerman is a contributing editor at the Daily Beast. From 2017 to 2021, he was senior national security correspondent for The Daily Beast. He is the author of forthcoming REIGN OF TERROR: How The 9/11 Era Destabilized America and Produced Trump. The former U.S. national security editor for the Guardian, Ackerman was part of the Pulitzer Prize-winning team reporting on Edward Snowden's surveillance revelations.