Lanny Breuer on Whistleblowers and Prosecuting Bankers (Liar Liar version) The Untouchables: Why No One On Wall Street has Been Prosecuted "More than four years since the financial crisis, not one senior Wall Street executive has faced criminal prosecution for fraud. Are Wall Street executives “too big to jail”? "FRONTLINE producer and correspondent Martin Smith investigates why the U.S. Depart…