One of the largest U.S. labor unions asked a federal judge on Wednesday to block Elon Musk's government cost-cutting effort from accessing the Department of Labor's systems, which the union warned could give the billionaire sensitive information about investigations into his companies.

Elon Musk's Department of Government Efficiency representatives are at the Centers for Medicare & Medicaid Services this week examining payment and contracting systems of federal health agency. Two senior agency veterans focused on policy and operations are working with DOGE to review the agency overseeing Medicare and Medicaid,

Activists, who have been urging a stronger response, waved signs that said “Nobody Elected Elon,” as the party directs its outrage at Trump’s billionaire ally.

Billionaire Elon Musk's illegal overthrowing of the US Treasury by his so-called Department of Government Efficiency has some of president Donald Trump's loyalists uneasy. The massive overreach is sowing discord between Republican aides and Musk's army of college grads — who are currently making irreversible changes to the federal government's payments system without the required clearance — as Wired reports.