The company's former investment banking star, Frank Quattrone, was sentenced to 18 months in prison for obstruction of justice. On Jan. 27 he asked an appeals court to throw out his conviction.
A January trial is set for former Enron chairman and CEO Kenneth L. Lay, former CEO Jeffrey K. Skilling and former Chief Accounting Officer Richard A. Causey.
All have pleaded not guilty to fraud and conspiracy. Chief Financial Officer Andrew S. Fastow pleaded guilty in 2004 to two counts of conspiracy. Fastow's wife, Lea, pleaded guilty in May and began serving a one-year sentence in July.
Fired CEO Richard Scrushy is on trial in Birmingham, Ala. He is accused of masterminding a $2.7-billion plot to inflate assets, increase profit and to meet Wall Street expectations and bolster the price of HealthSouth's stock. Scrushy pleaded not guilty in 2003.