Spencer Ackerman is an American journalist and writer. Focusing primarily on national security, he began his career at The New Republic in 2002 before writing for Wired, The Guardian and The Daily Beast. He won a 2012 National Magazine Award for reporting on biased FBI training materials and shared in a 2014 Pulitzer Prize for his coverage of the 2013 global surveillance disclosures. His book Reign of Terror: How the 9/11 Era Destabilized America and Produced Trump was named a best nonfiction book of 2021 by The New York Times, The Washington Post and Foreign Policy.