Despite all the headlines about Bernard Madoff, who pleaded guilty to running a $65 billion Ponzi scheme, he is still shrouded in mystery. Why (and when) did he turn his legitimate business into a massive fraud? How did he fool so many smart investors for so long? And who among his family and employees knew the truth? The best person to answer these questions-and tell the full story of Madoff's rise and fall-is Erin Arvedlund. In early 2001, she was...