Among the charges are conspiracy to commit racketeering, conspiracy to commit extortion and conspiracy to commit bribery.
Mr. Berger has been charged with several counts of Medicaid fraud, racketeering and conspiracy to commit racketeering.
The government has charged Mr. Salcedo with conspiracy to commit racketeering, and he has pleaded not guilty.
In January 2012 Dotcom and six other executives of Megaupload were indicted in an American court on five counts of conspiracy to commit racketeering, copyright infringement, and money laundering.
The seven men accused in the case are charged with criminal copyright infringement, as well as conspiracy to commit racketeering and money laundering.
John Kapoor, the Insys founder, was charged with engaging in conspiracies to commit racketeering, mail fraud and wire fraud in an indictment filed in Federal District Court in Boston.
US authorities had appealed for Dotcom's extradition to face 13 charges including allegations of conspiracy to commit racketeering, copyright infringement, money laundering and wire fraud.
Mr. Dalton, 45, who was the subject of a September 1995 article in Forbes magazine that described him as a ruthless grifter and telemarketing genius who preyed on the elderly, pleaded guilty on Tuesday to conspiracy to commit racketeering.
The charges included, conspiracies to commit racketeering, copyright infringement and money laundering.
Popular file-hosting site Megaupload, probably known to our readers for a variety of reasons, has been taken down after the FBI charged some of its staff with copyright infringement and "conspiracy to commit racketeering".
