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The State Department insisted Wednesday that it's too soon to tell if the government missed any warning signs when it approved a visa for Tashfeen Malik, who attacked an office building with her husband last week, killing 14.

The FBI announced Wednesday morning that Malik and her husband, Syed Farook, were both radicalized at least two years earlier, before Malik was allowed to enter the United States. But when asked if the State Department might have missed "warning signs" in Malik's application, a spokesman said that isn't known yet.

"I think it's too soon to answer that question right now," said spokesman John Kirby. "We've seen those reports there about how long they may have been radicalized. This is an ongoing investigation, and we want to respect the investigative process."

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