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Spying: Assessing US Domestic Intelligence Since 9/11

Darren E. Tromblay
Spying: Assessing US Domestic Intelligence Since 9/11
ISBN: 978-1-62637-780-6
ISBN: 978-1-62637-991-6
2019/245 pages/LC: 2018048489
"A welcome addition to the … literature on domestic and homeland intelligence in the United States. It will interest more than just intelligence specialists, because Tromblay addresses broader homeland security issues, focusing on the FBI and DHS, and the book would serve as a useful introduction to those agencies."—Erik Dahl, Homeland Security Affairs

"Offers a bold analysis of post-September 11 domestic intelligence reforms—primarily but not exclusively focusing on the Federal Bureau of Investigation (FBI) and the Department of Homeland Security.... A valuable contribution."—Douglas M. Charles, Political Science Quarterly

"A home run. Tromblay brings a keen eye, as well as a felicitous writing style, to this important study of how the FBI and the DHS seek—sometimes with success, sometimes with failure—to make the United States a safer place in a hostile world."—Loch Johnson, University of Georgia


Initiated in the aftermath of the September 11 terrorist attacks, have the reforms of the US intelligence enterprise served their purpose? What have been the results of the creation of the Department of Homeland Security, the Office of the Director of National Intelligence, and a reorganized FBI? Have they helped to reduce blind spots and redundancies in resources and responsibilities ... and to prevent misuses of intelligence and law enforcement? How did a disaster like the Snowden scandal happen?

Darren Tromblay answers these questions in his thorough, often provocative, assessment of post–9/11 US domestic intelligence activities in the pursuit of national security.


Darren E. Tromblay has served as an intelligence analyst with the US government since 2005.


  • The US Intelligence Enterprise.
  • Emergence of a Domestically Oriented Intelligence Enterprise.
  • Crisis and Competition.
  • The Vision of the FBI After 9/11.
  • Reorganizing the Bureau.
  • The FBI's Human Capital Issues.
  • The Intelligence Enterprise at the Department of Homeland Security.
  • DHS Intelligence Analysis.
  • The Roles of Other Agencies.
  • Federally Driven Fusion. 
  • Fusion and Confusion at the Subfederal Level.
  • Lessons Observed (if Not Learned).