LUCKILY, THE IRS IS TOTALLY NOT POLITICIZED AND WOULD NEVER ABUSE ITS POWER: Senators demand answers about IRS use of secret cellphone tracking systems. “Two top senators are probing use by the Internal Revenue Service of secret cellphone tracking systems that are more often utilized by federal or local law enforcement agencies. IRS Commissioner John Koskinen admitted this week that the agency does use the technology, known as cell-site simulators, or StingRays.”