A senior U.S. lawmaker says representatives of Elon Musk were granted “full access” to a U.S. Treasury payments system used to disperse trillions of dollars to Americans each year, and warned that Musk’s access to the system poses a “national security risk.”

The Trump administration has placed two top security chiefs at the U.S. Agency for International Development on leave after they refused to turn over classified material in restricted areas to Elon Musk’s government-inspection teams,