Enron's stock price rose astronomically in the late '90s, buoyed by investor confidence in former CEO Jeffrey Skilling-and by earnings reports that seemed to show Enron's profits growing by leaps and bounds. But as we now know, those numbers were engineered by a man named Andy Fastow, Enron's chief financial officer at the time. In this episode, we take a look at Mr. Fastow and hear from the whistleblowers who exposed him and Enron's financial engineering.

John Emshwiller is the host of this season of Bad Bets. The original reporting on which this season is based was done by him and Rebecca Smith. Bad Bets is a production of The Wall Street Journal. This season was produced in collaboration with Neon Hum Media.

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