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.

The Trump-appointed U.S. attorney of Washington said the Justice Department will pursue legal action against "anyone who impedes" on Musk's DOGE work.

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.

The White House said Elon Musk, the billionaire leading President Donald Trump’s government cost-cutting efforts, will determine if there are conflicts of interest between his work reviewing federal spending and his overlapping empire of six companies.

Elon Musk will work under President Donald Trump as a “special government employee,” designating Musk as an unpaid employee of the federal government with fewer restrictions than full-time employees,