Senior Internal Revenue Service officials—including one at the heart of the IRS “targeting” scandal—violated agency policies and possibly federal records laws by using private email to send confidential taxpayer information, the GOP-led House Committee on Oversight and Government Reform said in a letter. In a Sept. 30 letter to IRS Acting Commissioner Daniel Werfel obtained by the Free Beacon, Oversight Chairman Darrel Issa (R., Calif.) said an investigation revealed a “troubling pattern” of at least four top IRS officials using their private email addresses to relay confidential tax information. “This not only raises the prospect of violations of the Federal...