IRS is not part of the US federal government.
It is a private corporation
and
hiring armed mercenaries to confiscate more wealth from Americans under threat of "lethal force."
The federal income tax is itself a fraud government has perpetuated for generations.
They've bankrupted people and destroyed lives.
"Our tax system is based upon voluntary assessment and payment and not upon distraint." Supreme Court Ruling, Flora v. U.S., 362 U.S. 145