POLICY REPORTS

Art of the Possible: Restructuring the Defense Relationship with Pakistan, Washington, DC: Center for a New American Security, June 2017.

Remodeling Partner Capacity: Maximizing the Effectiveness of U.S. Counterterrorism Security Assistance, Washington, DC: Center for a New American Security, Nov. 2016 (co-authored with Ilan Goldenberg, Alice Hunt Friend, and Nick Heras).

Security Cooperation and Assistance: Rethinking the Return on Investment, Washington, DC: Center for a New American Security, July 2015 (co-authored with Dafna H. Rand).

Jihadist Violence: The Indian Threat, Washington, DC: Woodrow Wilson Center, January 2014.

Domestic Barriers to Dismantling Militancy in Pakistan, Washington, DC: United States Institute of Peace, Sept. 2013.
 
A Pakistan-based Terrorist Attack on the United States Homeland, Washington, DC: Council on Foreign Relations, August 2011.
 
Lashkar-e-Taiba: Past Operations and Future Prospects, Washington, DC: New America Foundation, April 2011.
 
Lashkar-e-Taiba in Perspective: An Evolving Threat, Washington, DC: New America Foundation, February 2010.

ACADEMIC ARTICLES

“Confronting Pakistan’s Support for Terrorism: Don’t Designate, Calibrate,” The Washington Quarterly, 39 (4), Winter 2017, pages 165-179.

“Universal Soldiers or Parochial Actors: Understanding Jihadists as Products of their Environments,” Terrorism and Political Violence, Sept. 7, 2016.
 
“Beyond the Double Game: Lessons from Pakistan’s Approach to Islamist Militancy,” Journal of Strategic Studies, June 16, 2016.
 
“Beyond FATA: Exploring the Punjabi Militant Threat to Pakistan,” Terrorism and Political Violence, 28 (1), 2016, pages 49-71.
 
“Indian Jihadism: The Evolving Threat,” Studies in Conflict and Terrorism, 37 (7), 2014, pages 567-585.
 
“Lashkar-i-Tayyiba: One Year After Mumbai” CTC Sentinel, Vol. 2 No. 11, November 2009. 

​“Lashkar-e-Taiba: From 9/11 to Mumbai” Developments in Radicalization and Political Violence, April/May 2009.

​BOOK CHAPTERS

“Rules for the Double Game,” in Handbook of Pakistani Defense Policy, ed. Aparna Pande, London: Routledge, forthcoming.
 
“Islamist Terrorism in India: A Hybrid Threat,” in Handbook of Indian Defence Policy, ed. Harsh Pant, London: Routledge, 2015.
 
“Pakistani Militancy in the Shadow of the U.S. Withdrawal,” in Pakistan in the Shadow of the U.S. Withdrawal, ed. C. Christine Fair, Pennsylvania: University of Pennsylvania Press, 2015.
 
“Pakistan’s Militant Milieu: The Evolving Threat,” in Pakistan Labyrinths, ed. Ravi Kalia, New York: Routledge, 2015.

CONGRESSIONAL TESTIMONY
​

“Protecting the Homeland Against Mumbai-Style Attacks and the Threat from Lashkar-e-Taiba” House Committee on Homeland Security: Subcommittee on Counterterrorism and Intelligence, June 12, 2013.
 
“The Threat to the U.S. Homeland Emanating from Pakistan” House Committee on Homeland Security: Subcommittee on Counterterrorism and Intelligence, May 3, 2011.​

​SELECT COMMENTARY

"Doing More with Less: How to Optimize U.S. Counterterrorism," War on the Rocks, May 22, 2018.

"Donald Trump's Shadow War," Politico, May 9, 2018.

"Beyond the State Sponsors List: Finding the Right Tools to Counter Russia," War on the Rocks, Apr. 30, 2018.

"From al-Qaeda to ISIL: Continuity and Change in the Jihadist Movement," War on the Rocks / Texas National Security Review, Mar. 22, 2018.

“Whatever Happened to Trump's Counterterrorism Strategy?,” The Atlantic, Mar. 1, 2018.

“Pakistan Won't Let Terrorist Organizations Contest Elections. For Now.," New York Times, Sept. 13, 2017.

“Sixteen Years after 9/11, Are We Any Better at Fighting Terrorism?,” Washington Post, Sept. 11, 2017.

“How to Improve Return on Investment for Security Assistance,” Lawfare, Aug. 27, 2017.

“The Only Way Trump’s Afghanistan Plan Would Make Sense,” Fortune, Aug. 22, 2017.

“Trump’s Plan to Defeat Terrorism is Self Defeating,” Foreign Policy, June 6, 2017.

“Trump seeks greater collaboration with Saudi Arabia, but will this boost counterterrorism?,” Washington Post, May 25, 2017.

“This is why Trump’s loose tongue has compromised U.S. security,” Washington Post, May 16, 2017.

“Back to First Principles: Four Fundamental Questions About Afghanistan,” War on the Rocks, May 15, 2017. 

“National Security and Holding the Line Under Trump,” War on the Rocks, Feb. 9, 2017. 

“The Art of Dealing with Pakistan,” Defense One, Jan. 25, 2017.
 
“Pakistani Militants and the State: Friends, Foes, and Frenemies,” War on the Rocks, Jul. 5, 2016.
 
“Security Assistance isn’t the Quick Fix the United States Thinks it is,” The Hill, Aug. 6, 2015. 

“Going Native: The Pakistanization of al-Qaeda,” War on the Rocks, Oct. 22, 2013. 

“The Egypt Aid Dilemma,” The National Interest, Aug. 23, 2013. 

“Lashkar-e-Taiba’s American Connections,” Foreign Policy, Sept. 6, 2011.
 
“Homegrown terror, learned online,” The Guardian, Aug. 19, 2008.o edit.