Joseph Ziegler
Joseph Ziegler is an IRS whistleblower who, alongside Gary Shapley, has brought allegations of corruption and preferential treatment at the IRS to light, emphasizing the need for oversight and ethical conduct within the agency.
Not in the pool (under ¢1).
Recent news mentions
IRS Criminal Investigator Joseph Ziegler testified before the House Oversight Committee.
Hunter Biden motions to dismiss IRS lawsuit, whistleblowers speak out
United States· 2025-05-01
Joseph Ziegler is another IRS whistleblower who publicly disclosed details of Hunter Biden's tax issues.
Hunter Biden voluntarily drops lawsuit against IRS; whistleblowers say, 'he was afraid to...'
India· 2025-05-01
Joseph Ziegler is another IRS investigator who testified about Biden’s taxes and was assigned to the Treasury Secretary’s office as a senior adviser for IRS reform.
IRS agent who investigated Hunter Biden expected to be named IRS acting chief
Canada· 2025-04-16
Lowell is facing a defamation suit brought by IRS whistleblowers Gary Shapley Jr. and Joseph Ziegler.
Hunter Biden retains Dick Harpootlian, as Lowell departs as counselUnited States· 2025-03-26
Joseph Ziegler was a special agent at the IRS, who faced retaliation for stepping forward with evidence of corruption in the federal government.
IRS whistleblowers involved in Hunted Biden probe get promotions at TreasuryUnited States· 2025-03-18
IRS whistleblower Joseph Ziegler will be hosted by James Comer and Jim Jordan.
Who has Trump invited to his address to Congress? | Trump administration
United Kingdom· 2025-03-05
Smith pointed to the IRS’ support for $80 billion in mandatory funding that prioritized aggressive audits over customer service, and mentioned the two IRS whistleblowers, Gary Shapley and Joseph Ziegler.
Ways and Means chair calls for de-weaponization, overhaul of IRS after 'lawless' behaviorUnited States· 2025-02-14
