The Citigroup Center in Manhattan, New York, formerly known as the Citicorp Center, had a fatal flaw that could have led to a major disaster, killing thousands of people.
In 1978, the skyscraper's chief structural engineer, William LeMessurier, discovered a potentially fatal flaw in the building's design: the skyscraper's bolted joints were too weak to withstand 70-mile-per-hour wind gusts.
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