At some point prior to his attack, the student posted content supportive of the attacks at Columbine High School in an online forum, upsetting many of the forum’s users.
NCIER®
2017 attacker posted Columbine-supportive content that upset forum users
How to cite
APA
U.S. Secret Service National Threat Assessment Center. (2018). Enhancing School Safety Using a Threat Assessment Model: An Operational Guide for Preventing Targeted School Violence (p. 18). Claim p018-13, NCIER Claim Map. https://www.ncier.org/research/claim-maps/k12-threat-assessment-model/claims/p018-13
HTML
U.S. Secret Service National Threat Assessment Center. (2018). Enhancing School Safety Using a Threat Assessment Model: An Operational Guide for Preventing Targeted School Violence (p. 18). Claim p018-13, NCIER Claim Map. <a href="https://www.ncier.org/research/claim-maps/k12-threat-assessment-model/claims/p018-13">https://www.ncier.org/research/claim-maps/k12-threat-assessment-model/claims/p018-13</a>Link to https://www.ncier.org/research/claim-maps/k12-threat-assessment-model/claims/p018-13 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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