Peer-Reviewed Publications

  • Sweeney, Matthew M. Who can be a Leaderless Resistor: A Case Study Test of Literature-Based Assumptions of Leaderless Resistance. Studies in Conflict and Terrorism. DOI: 10.1080/1057610X.2017.1407480.

Book Chapters

  • Perliger, Arie & Sweeney, Matthew M. (Under Contract). "The Role of Deterrence in US Counter-Terrorism Strategy in Iraq and Afghanistan," in Eli Liberman (Ed.) Deterring Terrorism, New York: Routledge.

Technical Papers

  • Managing for Results: Implementation of GPRA Modernization Act Has Yielded Mixed Progress in Addressing Pressing Governance Challenges. GAO-15-819. Washington, D.C.: September 30, 2015. Retrievable at:

Current Projects

  • Spontaneous Terror Attacks of the American Far Right
  • Terrorist Organizations and Tactical Diversity
  • Terrorist Video Propaganda
  • The Violence of Political Empowerment
  • Law Enforcement Officer and Extremist Interaction
  • Police Union Contracts
  • Evaluation of State Anti-Gang Risk Assessment