Business Insider reported the bloody rampage by Nasim Aghdam at the San Bruno campus was unprecedented, but not totally unexpected.
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TIMELINE: Nasim Aghdam's movements leading up to YouTube HQ shooting
Former employees said threats are typically delivered through e-mail, but that there have been instances of video creators confronting workers in person.
In one instance, an employee stationed a guard outside her house after threats from a man whose account was suspended.
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FULL VIDEO: Body cam footage of Mountain View police encounter with YouTube shooter
FULL VIDEO: Mountain View police body camera video of YouTube shooter
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