[JURIST] David Radler, former Chicago Sun-Times publisher, Mark S. Kipnis, former lead counsel for Hollinger International [corporate website], and Ravelston Corp, a private company controlled by Conrad Black [CBC profile] were charged with five counts of federal mail fraud and two counts of federal wire fraud on Thursday. The two men and the company are part of an ongoing litigation battle between Hollinger International and its former CEO, Conrad Black. Black was accused of diverting company funds for personal use [JURIST report] to the tune of over $400 million. Black has countersued Hollinger International for defamation and libel [JURIST report] and has continually maintained his innocence. The criminal charges against Radler and Kipnis are part of the US government's attempt to find out if Black was responsible for the misappropriated funds. Radler has been cooperating with federal investigators and is expected to plead guilt as part of a plea agreement. AP has more.