John Koskinen IRS Warns of New Scam to Hijack Tax Preparers’ Computers The IRS warns the public regarding a new scam targeted at tax payers and preparers. Cyber criminals ... Apr 18, 2016 07:56 AM EDT U.S. Senate investigators split on party lines over IRS scandal Democratic Senate investigators criticized a watchdog for the U.S. Internal Revenue Service on Frida... Sep 05, 2014 09:51 PM EDT