Due to the Department of Homeland Security’s unexpected decision to terminate its support for the Terrorism and Targeted Violence (T2V) in the United States project, we can no longer provide the T2V data free of charge to the homeland security community. We are very disappointed in DHS' decision and understand that public safety officials, policymakers, and researchers need these data to support the critical work they are doing. In order to continue providing this service, the T2V project now must transition to a commercial model based on data licenses to sustain its operations. We are currently working on developing the infrastructure to license the T2V data to interested users and hope to have this development complete in July 2025. In the meantime, you can access sample data via the T2V homepage or use the request access feature to register your interest in receiving trial access to the full dashboard once it is ready. Thank you for your continued interest in the T2V project.
--The T2V Team
Event Types
Frequency for the type of targeted violence or intended targeted violence carried out. Event types are not mutually exclusive.
School-based Targeted Violence
Workplace Targeted Violence
States & Territories
Note: Events with missing state or city information (indicated by -99) are excluded from this visualization.
Terrorism and Targeted Violence (T2V) in the United States: Database Overview
Published
January 2025
Research Brief
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Terrorism and Targeted Violence (T2V) in the United States: Perpetrator Age Characteristics
Published
January 2025
Research Brief
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Terrorism and Targeted Violence (T2V) in the United States: Weapon Types
Published
January 2025
Research Brief
Read more
START is now at a critical inflection point, perhaps the most precarious in our 20-year history. Over the last several months, federal funding for research on terrorism and targeted violence, as well as other critical topics related to START's mission, has been decimated. Virtually all grants and cooperative agreements funding basic research into the causes and consequences of terrorism and targeted violence have been terminated, and solicitations for proposals for new awards have been suspended or pulled from competition. START has had millions of dollars in grants terminated since mid-March, accounting for approximately 40% of our annual budget.
Unfortunately, given the loss of federal funding, the Terrorism and Targeted Violence (T2V) in the United States project must now transition to a subscription based model to sustain its operations. More information about subscription tiers and pricing are forthcoming, but in the meantime, we are eagerly asking donors to help us stabilize by contributing to an immediate infusion of funds, as we build out this business model and grow a paid subscriber base. To this end, we are actively seeking small-dollar and large-dollar donations to START’s account with the University of Maryland College Park Foundation. We are also identifying potential foundation and commercial partners, and START will continue to seek federal funding in areas where it is still available.
The generosity of donors and friends of START and of the University of Maryland has bolstered our research, our capabilities, and our students’ experiences in the past, and we welcome your partnership to help START weather this storm and build a stronger future. Thank you for considering supporting START at this mission-critical time.
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