Executives of a failed healthcare company turned a good business into "a pack of lies" as part of a scheme that defrauded investors of $1.9 billion, a federal prosecutor said during closing statements in a month-old white-collar crime trial. Two former owners and three former executives of National Century Financial Enterprises broke promises, misled investors and tried to cover up wrongdoing, Assistant U.S. Attorney Wes Porter said in U.S. District Court.