India, Aug. 22 -- John Bolton, who served as a national security adviser in President Donald Trump's first administration, has been one of the most outspoken detractors of the President. On Friday, federal officials searched his home and office.

Following his time in the White House, Bolton penned a damning book 'The Room Where It Happened' detailing Trump's appalling lack of foreign policy knowledge.

According to reports, FBI investigators searched Bolton's Washington office and Maryland home as part of a probe into how secret material was handled. The move raises concerns about potential future measures against Republican administration critics who have expressed their views. However, it has not been cleared what exactly Bolton did. ...