Active Shooter Incidents in the United States in 2025: Claim Map

Every claim from Active Shooter Incidents in the United States in 2025 (Federal Bureau of Investigation, 2026), each linked to the highlighted passage on its source page.

• 666 claims
• 18 sections
• 40 concepts
• 76 source pages

Sections

1. Acknowledgments 6 claims · pp. 1–5

   Report pages 1–5: 6 claims on pp. 1–5 (statement 6).

2. Executive Summary 41 claims · pp. 6–7

   Report pages 6–7: 41 claims on pp. 6–7 (fact 26, statement 8, conclusion 4, conjecture 1, definition 2).

3. Introduction 19 claims · pp. 8–9

   Report pages 8–9: 19 claims on pp. 8–9 (statement 10, evidence 3, conclusion 1, conjecture 1, definition 4).

4. 2025 Snapshot and Comparison with 2024 14 claims · pp. 10–13

   Report pages 10–13: 14 claims on pp. 10–13 (fact 12, statement 1, definition 1).

5. 2025 Incident Summaries 55 claims · pp. 14–19

   Report pages 14–19: 55 claims on pp. 14–19 (fact 52, statement 3).

6. Incidents by State, Casualties, and Timing 42 claims · pp. 20–24

   Report pages 20–24: 42 claims on pp. 20–24 (fact 42).

7. Incidents by Location Category 199 claims · pp. 25–35

   Report pages 25–35: 199 claims on pp. 25–35 (fact 183, statement 6, evidence 1, conclusion 1, conjecture 1, definition 7).

8. Intervention 47 claims · pp. 36–39

   Report pages 36–39: 47 claims on pp. 36–39 (fact 43, statement 2, conclusion 1, definition 1).

9. Shooter Details 35 claims · pp. 40–42

   Report pages 40–42: 35 claims on pp. 40–42 (fact 33, statement 2).

10. Behavioral Analysis 29 claims · pp. 43–45

    Report pages 43–45: 29 claims on pp. 43–45 (fact 10, statement 12, evidence 2, conclusion 2, definition 3).

11. Five-Year Summary, 2021-2025 24 claims · pp. 46–49

    Report pages 46–49: 24 claims on pp. 46–49 (fact 22, statement 2).

12. Five-Year Statistics 92 claims · pp. 50–65

    Report pages 50–65: 92 claims on pp. 50–65 (fact 74, statement 18).

13. Conclusion 6 claims · pp. 66–67

    Report pages 66–67: 6 claims on pp. 66–67 (statement 3, conclusion 2, conjecture 1).

14. Appendix I: Active Shooters vs Mass Shooting vs Mass Killing 11 claims · pp. 68–70

    Report pages 68–70: 11 claims on pp. 68–70 (statement 6, evidence 1, definition 4).

15. Appendix II: Definitions by Location Category 14 claims · p. 71

    Report pages 71–71: 14 claims on p. 71 (definition 14).

16. Appendix III: Potentially Averted Active Shooter Incidents 11 claims · pp. 72–73

    Report pages 72–73: 11 claims on pp. 72–73 (fact 7, statement 1, evidence 1, conjecture 1, definition 1).

17. Appendix IV: Prevent Mass Violence and Behavior Indicators 14 claims · p. 74

    Report pages 74–74: 14 claims on p. 74 (fact 1, statement 4, evidence 2, conclusion 6, conjecture 1).

18. Appendix V: Glossary 7 claims · pp. 75–76

    Report pages 75–76: 7 claims on pp. 75–76 (evidence 1, definition 6).

Concepts

Each concept page gathers every claim that mentions it, with the concepts it appears alongside.

• 2025 incident summaries 110
• Shooter resolutions 87
• Casualties 74
• Commerce locations 55
• Firearms used 49
• Government locations 49
• Civilian intervention 40
• Education locations 40
• Timing by month, day and time of day 40
• Open space locations 37
• Law enforcement response and gunfire exchange 35
• Five-year trends 2021-2025 34
• Predatory behavior and warning signs 31
• House of worship locations 30
• Law enforcement casualties 29
• Methodology and data sources 29
• Location categories 25
• Mass killings 25
• Security personnel intervention 24
• Shooter demographics 24
• Active shooter definition 21
• Shooter connection to location and insider threats 18
• Annual incident count 15
• Reporting concerning behavior 14
• Geographic distribution by state 12
• Other weapons and devices 10
• Potentially averted attacks 10
• Glossary and key terms 9
• Health care and residence locations 8
• FBI Behavioral Analysis Unit-1 6
• Long-term trends since 2000 6
• Mental health and targeted violence 6
• ALERRT training 4
• Active Shooter Working Group 4
• ASAPP and run, hide, fight 3
• Community population size 3
• Investigative Assistance for Violent Crimes Act of 2012 3
• Don't Name Them campaign 2
• Extreme Risk Protection Order 2
• Nihilistic Violent Extremism 2

Browse by type

• Fact claims 505
• Statement claims 84
• Definition claims 43
• Conclusion claims 17
• Evidence claims 11
• Conjecture claims 6
• Inferred claims 2

Downloads

• claims.json Full dataset with absolute URLs
• claims.csv One row per claim: id, page, section, type, tag, title, quote, concepts, url, cite, license
• graph.json Nodes and links for the explorer
• llms.txt Plain-text guide for AI crawlers

<a href="https://www.ncier.org/research/claim-maps/fbi-active-shooter-2025">Active Shooter Incidents in the United States in 2025: Claim Map</a> (NCIER Claim Map, 2026)