If you believe someone is planning or preparing for violence, think about contacting police, visiting your nearest FBI field office, or reporting it at tips.FBI.gov.
cite page 74 Appendix IV: Prevent Mass Violence and Behavior Indicators
NCIER®
Suspected violence planning: consider contacting police, an FBI field office or tips.FBI.gov
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Federal Bureau of Investigation. (2026). Active Shooter Incidents in the United States in 2025 (p. 74). Claim p074-13, NCIER Claim Map. https://ncier.org/research/claim-maps/fbi-active-shooter-2025/claims/p074-13
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