The indictments of 10 men and 4 women, including a former deputy warden, stem from a 1984 lawsuit against the prison.
The investigation, called Tennessee Waltz, also led to the indictment of two men who the authorities said arranged the payments and two county officials.
On June 21, Mr. Ashcroft announced the indictment of 14 men in the case, which is still pending.
That prompted the Balco investigation, which resulted in the indictment of four men, including Conte.
He has secured indictments of Mr. North and three other men, who are to be tried later, and accepted three guilty pleas.
As recently as last month, federal prosecutors announced the indictments of five men, including Mr. Schullo, on charges of trying to embezzle $75,000 from the town.
The investigation led to the indictment of two men who now await trial.
The charges said the fraud was tied to a previous indictment of six men, among them a former S.E.C. lawyer, on stock fraud charges in October.
The scheme was alleged in the indictments of an Air Force colonel and five other men by a Federal grand jury in Miami.
The guilty pleas stemmed from a two-year investigation that led to indictments last June of 12 men by a state grand jury in Manhattan.