What Did They Know and...WHEN DID THEY KNOW IT?

Focuses on Sherron Watkins, a former employee of Enron Corp. Her letters to company chairman Kenneth Lay which exposed top officials who had been attempting to hide huge debts; Chain of events that brought the company down; United States Congressional and criminal investigations being conducted on Enron and its auditor, Arthur Andersen; Revelations that many people were aware of the possibility that the energy company would collapse; Destruction of company documents. INSET: AGGRESSIVE ACCOUNTING.