AP:
Last week, a SWAT team in Colorado arrested [him] after he allegedly emailed an 800-page document and posted videos threatening violence against dozens of people at UCLA, prompting the school to cancel in-person classes for a day
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Two former Duke students, who spoke to the AP on condition of anonymity because they fear for their safety, said that while they did not report [him] to university officials at the time, his behavior was well known within the small philosophy program and they did not feel they would have been supported by faculty if they’d come forward.
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The signs were there, like bread crumbs scattered across the three schools.