U.S. Food and Drug Administration employees reviewing Elon Musk’s brain implant company Neuralink were fired over the weekend as part of a broader purge of the federal workforce, according to two sources with knowledge of the matter.

Donald Trump’s deep cuts to the federal government have now impacted the FDA, with similar layoffs and budget reductions expected to hit the Pentagon next. Reporting indicates these rushed efforts have uncovered little evidence of fraud].

Musk caused alarm among federal employees over an email sent on Saturday requesting that employees summarize their work.

The federal workforce is on edge after Elon Musk announced they must provide details on the work they accomplished in the last week or face losing their jobs.

Billionaire Elon Musk, who is leading Trump’s Department of Government Efficiency scouring government agencies for suspected waste, delivered a warning Monday to workers on his platform X. “Starting this week, those who still fail to return to office will be placed on administrative leave,” Musk wrote.

The president recently touted the idea, which came to a 30-year-old investor in a dream and caught the attention of Elon Musk on X.

Americans need “an efficient, effective FDA review process that helps advance the medical technologies American patients depend on. Bringing these specific experts back would help fulfill that mission," said Scott Whitaker, CEO of the medical device industry group AdvaMed, which had criticized the firings.