Eugene Soltes is a professor at Harvard Business School as well as the author of "Why They Do It", which focuses on white-collar crime. He spent seven years speaking with some of the biggest white-collar criminals in history. Here he discusses a specific type of "inside trading" that is completely legal in America.

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Business Insider is the fastest growing business news site in the US. Our mission: to tell you all you need to know about the big world around you. The BI Video team focuses on technology, strategy and science with an emphasis on unique storytelling and data that appeals to the next generation of leaders – the digital generation.