Pressing U.S. Attorney General Jeff Sessions to pursue criminal charges against former IRS nonprofits chief Lois Lerner. Senior Republicans on Capitol Hill are pressing U.S. Attorney General Jeff Sessions to pursue criminal charges against former IRS nonprofits chief Lois Lerner. Lerner, whose title was IRS Exempt Organizations Division Director, orchestrated an unprecedented crackdown on Tea Party and conservative groups and then attempted to scapegoat those nonprofits, blaming them for the harsh treatment they received at her instigation.