He is believed to have left a suicide note on his company Web site before setting his house on fire, going to the Georgetown airport, taking off in his private plane and deliberately crashing it into the building, officials said.
Witnesses told reporters the plane was flying fast and low when it hit the building, which fronts U.S. 183, also known as Research Boulevard, near a major highway intersection.
Austin's police chief called it “an isolated incident” and a criminal act. Two Austin congressmen called it domestic terrorism.
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