I am a Reader in the Department of Government at the University of Essex. I am also an affiliated professor at CIDE in Mexico City. 

My research focuses mostly on organizational dynamics of terrorism, civil conflict, and crime. My book "Insurgent Terrorism: Intergroup Relationships and the Killing of Civilians," co-authored with Victor Asal and R. Karl Rethemeyer, was published by Oxford University Press.

I am on the editorial boards of Terrorism and Political Violence and Perspectives on Terrorism. I recently served a five-year term as associate editor of International Studies Quarterly. Projects I have worked on have been funded by the UK Economic and Social Research Council, the US National Science Foundation, the Mexican Presidency, and the US Department of Homeland Security. My research has been discussed in The New York Times, El País, The Guardian, and other outlets. 

Before college, I was enlisted in the U.S. Marine Corps infantry for four years.

Have a nice day.

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