Authorities said they believe pilot Joseph Andrew Stack III, 53, of Austin, intentionally crashed the small aircraft into the building, where nearly 200 Internal Revenue Service employees worked.

官方说他们相信飞行员Joseph Andrew Stack III, 53岁，在奥斯汀，故意用小飞机撞这个几乎200个国内税局雇员在那里工作的建筑。

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