BOSTON - His repeated warnings that Wall Street money manager Bernard Madoff was running a giant Ponzi scheme have cast Harry Markopolos as an unheeded prophet. But people who know or worked with Markopolos say it wasn’t prescience that helped him foresee the collapse of Madoff’s alleged...

  NEW YORK — The day after Bernard Madoff was placed behind bars, investigators returned Friday to the arduous task of piecing together one of the largest frauds in history — and trying to determine if anyone else was involved. The FBI has declined to discuss the status of an investigation expected...

With disgraced US financier Bernard Madoff now behind bars, attention has turned to whether others were involved in his estimated $50bn (£35bn) fraud. While Madoff insists he acted alone, prosecutor Lev Dassin said he was investigating if others had joined in the crime. Investigators are also continuing...

  A top aide to disgraced money manager Bernard Madoff had employees generate trading tickets, thought to be fake, in order to dupe investors into thinking their returns were legitimate, the Wall Street Journal reported Monday.  According to Journal reporter Amir Efrati, Annette Bongiorno directed...

Their names lack the Dickensian flair of Bernie Madoff, and the money they apparently stole from investors was a small fraction of the $50 billion that Mr. Madoff allegedly lost of his clients’ savings. But the number of other people who have been caught running Ponzi schemes in recent weeks is adding...