Shooting at YouTube Offices Wounds 3; Female Suspect Is Dead — A woman opened fire with a handgun at YouTube’s headquarters in California on Tuesday afternoon, shooting three people — one of whom was critically injured — before killing herself, the authorities said. The San Bruno Police Department identified the attacker late Tuesday as Nasim Najafi Aghdam, who was in her late 30s. The motivation for the shootings was under investigation, the police said, although her social media postings included criticisms of YouTube. Zuckerberg San Francisco General Hospital received three patients: a man, 36, in critical condition; a woman, 32, in serious condition; and a woman, 27, in fair condition, a hospital spokesman, Brent Andrew, said at a news conference. A fourth person had injuries that weren’t from a gunshot, the police said. “At this time there is no evidence that the shooter knew the victims of this shooti
