This undated photo provided by the San Bruno Police Department shows shooting suspect Nasim Najafi Aghdam. Gunfire erupted at YouTube's offices in California on Tuesday, leaving three people wounded and sparking a panicked escape before the suspected shooter apparently committed suicide. Photo: AFP

YouTube shooter was furious about treatment of her animal rights videos and visited a gun range before attack

Nasim Najafi Aghdam, 39, posted videos containing graphic footage of animal abuse, as well as vegan recipes and simple exercises. She became furious after the site stopped running ads on her videos, her father said

Topic |   Gun violence in the US

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This undated photo provided by the San Bruno Police Department shows shooting suspect Nasim Najafi Aghdam. Gunfire erupted at YouTube's offices in California on Tuesday, leaving three people wounded and sparking a panicked escape before the suspected shooter apparently committed suicide. Photo: AFP
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