Bolton, 76, served as President Trump’s national security adviser from April 2018 until his firing in September 2019.

CNN's Katelyn Polantz dropped new details on Tuesday evening about a criminal investigation against President Donald Trump's ...

Federal investigators had reason to believe they would find classified records in a search of John Bolton’s Maryland home last month partly because of what they had learned about a foreign adversary ...

Part of the Justice Department’s investigation of John Bolton centers around notes he was making to himself in an AOL email account — at times writing summaries of his activities like diary entries — ...