A 2020 criminal investigation into Bolton originated from allegations that Bolton had shared portions of his book draft with people not authorized to handle sensitive information before he obtained fi

A Republican mainstay who served multiple presidents, Mr. Bolton has become a persistent Trump critic since leaving the White House.

The FBI searched the home and office of former Trump ally and national security adviser John Bolton on Friday as part of an investigation into the handling of classified information. Bolton became an outspoken critic of President Donald Trump since his 2019 firing and is the author of a scathing book about his White House experience.