The six Cincinnati workers we have identified, who sent scrutinizing letters to conservative groups with words including "patriot, liberty, tea party or 9-12" in their names are Mitchel Steele, Carly Young, Joseph Herr, Stephen Seok, Liz Hofacre and a woman identified only as Ms. Richards. But was all of this done at the hands of a small group of Cincinnati employees working together? During Friday's congressional hearing, that appeared to be the theme. Now, that explanation just became less likely. Mitchel Steele, Carly Young, Joseph Herr and Liz Hofacre are IRS agents. Stephen Seok is a supervisor IRS agent But...