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Schools in Arizona, Connecticut, Illinois, Montana, New York and Pennsylvania increased their police presence Friday due to the alleged threats while schools in California, Minnesota, Missouri and Texas closed. TikTok said it has found no evidence of threats originating on its platform and is working to remove videos discussing the rumor.
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Schools have been experiencing an uptick in social media threats of violence since September, but the threats are typically local or regional, not nationwide, said Kenneth Trump with National School Safety and Security Services, a consulting firm. Mary Ellen O'Toole, a former FBI profiler, said the burst of threats is typical about two weeks after a high-profile shooting, like the Michigan high school attack.
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Meanwhile, a few students in California, Florida and Texas were arrested earlier this week for allegedly making threats and bringing weapons to school, according to local media reports, but officials have not said those arrests are connected to the reported TikTok threats.