Research conducted by BAU-1 on targeted violence and terrorism reveals that approximately 25% of offenders who engage in targeted violence—whether driven by ideological motives or not—have a diagnosable mental illness.
NCIER®
BAU-1 research: about 25% of targeted violence offenders have a diagnosable mental illness
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Federal Bureau of Investigation. (2026). Active Shooter Incidents in the United States in 2025 (p. 44). Claim p044-02, NCIER Claim Map. https://ncier.org/research/claim-maps/fbi-active-shooter-2025/claims/p044-02
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Federal Bureau of Investigation. (2026). Active Shooter Incidents in the United States in 2025 (p. 44). Claim p044-02, NCIER Claim Map. <a href="https://ncier.org/research/claim-maps/fbi-active-shooter-2025/claims/p044-02">https://ncier.org/research/claim-maps/fbi-active-shooter-2025/claims/p044-02</a>Link to https://ncier.org/research/claim-maps/fbi-active-shooter-2025/claims/p044-02 from your own pages; it resolves to this claim and its highlighted source passage.
License: CC BY 4.0. Free to reuse with attribution: credit NCIER Claim Map and link to the claim.
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