By David Shepardson and Chris Sanders WASHINGTON (Reuters) -Billionaire Elon Musk, who is heading U.S. President Donald Trump's efforts to shrink the federal government, gave an update on the effort early Monday,

DOGE director Elon Musk has shut out senior government workers and seized control of key workflows in the Office of Personnel Management, causing major security concerns, a source told Reuters. The Office of Personnel Management functions as the government’s human resources agency,

Musk, CEO of X (formerly Twitter), has been on a posting spree, using his platform to justify and denigrate his takeover of USAID. He’s called the agency " evil ," a " criminal organization ," and a "viper’s nest of radical-left Marxists who hate America."