John R. Bolton, who served as a national security adviser during President Trump’s first term, leaving his home in Bethesda, Md., on Friday before a court appearance in Greenbelt.
Mr. Bolton, a Trump aide turned critic, is part of a string of presidential foes to become prosecutorial targets. But his case gained momentum in the Biden administration.
Top officials, unwilling to fight for the independence of their institutions, watched on Wednesday as President Trump continued his pursuit of controlling law enforcement.
President Trump on Wednesday singled out people he wanted prosecuted. Looking on during the news conference were, from left, Todd Blanche, the deputy attorney general; Attorney General Pam Bondi; and Kash Patel, the F.B.I. director.