Justice Department announces plea deals and new fines in ongoing investigation . The U.S. Attorney's Office for the District of Columbia announced a guilty plea from former IRS official Lois Lerner on Friday to charges that she willfully failed to file tax returns as required by law. The overall probe , the largest criminal investigation by the Justice Department 's antitrust division , has so far resulted in more than $ 1.6 billion in fines and criminal convictions of 17 executives . Consumers paid more for vehicles due to price fixing on parts , the Justice Department said .
Justice Department announces plea deals and new fines in ongoing investigation . The U.S. Attorney's Office for the District of Columbia announced a guilty plea from former IRS official Lois Lerner on Friday to charges that she willfully failed to file tax returns as required by law. Consumers paid more for vehicles due to price fixing on parts , the Justice Department said .