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A comprehensive record of terrorism and targeted violence in the United States

Housed at the National Consortium for the Study of Terrorism and Responses to Terrorism (START) at the University of Maryland, the T2V project seeks to provide the homeland security community with data and analysis on violent events occurring in the United States and its territories that have a significant impact on public safety, the security of critical infrastructure, and access to vital community services.

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Coverage

Total Events

Total Cities Impacted

Total Killed

Total Injured

Event Types

Frequency for the type of targeted violence or intended targeted violence carried out. Event types are not mutually exclusive.

Terrorism

Premeditated Hate Crime

School-based Targeted Violence

Workplace Targeted Violence

Public Mass Violence

Other Targeted Violence

States & Territories

Note: Events with missing state or city information (indicated by -99) are excluded from this visualization.

A comprehensive record of terrorism and targeted violence in the United States

Database Summary

Event Types

Terrorism

Premeditated Hate Crime

School-based Targeted Violence

Workplace Targeted Violence

Public Mass Violence

Other Targeted Violence

States & Territories

Latest Updates & Analysis

Terrorism and Targeted Violence (T2V) in the United States: Database Overview

Published January 2025

Terrorism and Targeted Violence (T2V) in the United States: Perpetrator Age Characteristics

Published January 2025

Terrorism and Targeted Violence (T2V) in the United States: Weapon Types

Published January 2025