Matt Taibbi: The $9 Billion Witness: Meet JPMorgan Chase's Worst Nightmare

She tried to stay quiet, she really did. But after eight years of keeping a heavy secret, the day came when Alayne Fleischmann couldn't take it anymore.

"It was like watching an old lady get mugged on the street," she says. "I thought, 'I can't sit by any longer.'"

Fleischmann is a tall, thin, quick-witted securities lawyer in her late thirties, with long blond hair, pale-blue eyes and an infectious sense of humor that has survived some very tough times. She's had to struggle to find work despite some striking skills and qualifications, a common symptom of a not-so-common condition called being a whistle-blower.