Peer-Reviewed Publications

  • Sweeney, Matthew M., Chenane, Joselyne, L., & Perliger, Arie. (Forthcoming). The role of demographic diversification of the police force in curbing hate crimes: cross-sectional and longitudinal analyses. Police Practice and Research: An International Journal. 00(00). 1-18. 10.1080/15614263.2021.1919109.
  • Sweeney, Matthew M., Perliger, Arie, & Pedahzur, Ami. (Forthcoming). Reconstructing the Theater of Terror. Small Wars & Insurgencies. DOI: 10.1080/09592318.2020.1794176.
  • Dmello, Jared R., Perliger, Arie, & Sweeney, Matthew M. (Forthcoming). The Violence of Political Empowerment: Electoral Success and the Facilitation of Terrorism in the Republic of India. Terrorism and Political Violence. DOI: 10.1080/09546553.2020.1761342.
  • Sweeney, Matthew M. & Kubit, Meghan. (Forthcoming). Blood and Scripture: How the Islamic State Frames Religion in Violent Video Propaganda. Dynamics of Asymmetric Conflict. DOI: 10.1080/17467586.2019.1680853.
  • Harris, Christopher & Sweeney, Matthew M. (Forthcoming). Understanding Police Union Contracts. Policing: A Journal of Police and Practice. DOI: 10.1093/police/paz042
  • Sweeney, Matthew M. (2019) Who can be a Leaderless Resistor: A Case Study Test of Literature-Based Assumptions of Leaderless Resistance. Studies in Conflict and Terrorism, 42(7), 617-635. DOI: 10.1080/1057610X.2017.1407480.
  • Sweeney, Matthew M. & Perliger, Arie. (2018) Explaining the Spontaneous Nature of Far-Right Violence in the United States. Perspectives on Terrorism 12(6). 52-71. Weblink.


  • Sweeney, Matthew M. (2020). Who's in Charge?: How Group Centralization Influences Ideology, Tactics, and Recruitment in American Extremist Groups. The University of Massachusetts Lowell. Lowell, MA. Weblink.

Book Chapters

  • Perliger, Arie & Sweeney, Matthew M. (Forthcoming). "Terrorism: Domestic." in Lauren R. Shapiro & Marie-Helen Maras (Ed.) Encyclopedia of Security and Emergency Management. Switzerland: Springer. Weblink.
  • Perliger, Arie & Sweeney, Matthew M. (2018). "The Role of Deterrence in US Counter-Terrorism Strategy in Iraq and Afghanistan," in Eli Liberman (Ed.) Deterring Terrorism, New York: Routledge. Weblink.

Technical Papers

Book Reviews and Media Publications

Manuscripts Under Review/In-Progress

  • Dmello, Jared Romeo, Sweeney, Matthew M., & Perliger, Arie. Explaining the Association between Electoral Victory and Majoritarian Violence. [Under Review]
  • Mirazaldi, Juan, Palmieri, Michael, Sweeney, Matthew M., & Perliger, Arie. An Empirical Evaluation of the Association between State-Levels of Far-Right Violence and Extremist Online Discourse: Exploring the "Iron March." [Under Review]
  • Palmieri, Michael & Sweeney, Matthew M. Sovereign Netizens: A Social Network Analysis of the Sovereign Citizen Movement. [Under Review]
  • Sweeney, Matthew M., & Cote, Tyler**. Competing for Control: A Test of an Intraorganizational Competition Extension of the Theory of Outbidding.

Current Projects

  • Police Use of Force
  • Independent Oversight of Law Enforcement