Senate Minority Leader Mitch McConnell and Republican Sens. Chuck Grassley and Mike Crapo are demanding the Justice Department and the FBI investigate the disclosure of confidential tax information of some of the country’s wealthiest taxpayers.

Senate Minority Leader Mitch McConnell and Republican Sens. Chuck Grassley and Mike Crapo are demanding the Justice Department and the FBI investigate the disclosure of confidential tax information of some of the country’s wealthiest taxpayers.