Trump appointee Ed Martin was a promoter of his "Stop the Steal" campaign and was seen on the U.S. Capitol grounds on Jan. 6.

His focus on prosecutors’ charging decisions is likely to cheer President Donald Trump and other right-wing supporters who have called for prosecutors to be prosecuted.

The move was the latest example of how the prosecutor in charge in Washington, Ed Martin, has sought in recent days to wind down the office’s sprawling investigation of the Capitol attack.