The businessman was shocked when authorities uncovered proof of the fraud he had orchestrated.

fraud 是名词，意思是"欺诈、欺骗行为"，指通过虚假陈述或隐瞒真相来获取不正当利益的行为。这个词来自拉丁语fraus（欺骗），在法律和商业领域经常使用。