Former National Security Adviser John Bolton tells "Morning in America" that, when he held Mike Waltz’s position during the ...

Bolton said in an interview with CNN on Tuesday that it is worth looking into if Signal was previously used for national ...

Former national security adviser John Bolton described the signs that could anticipate a decision by Donald Trump to fire an ...

Former national security adviser John Bolton said it was “stunning” that none of the Trump administration officials on a war ...

Sources tell NBC News President Trump is frustrated with his National Security Advisor Mike Waltz. Amb. John Bolton, National ...

The fallout from the shocking leak of information about U.S. strikes on the Houthis in Yemen grows wider as European allies ...

Defense Secretary Pete Hegseth and other top Trump administration officials are facing criticism after The Atlantic reported ...

Former national security adviser John Bolton went after multiple Trump administration officials on Monday for reportedly using the messaging app Signal to conduct government business.

National Security Adviser Mike Waltz and other participants in a Signal group—among them Vice President J.D. Vance, Defense Secretary Pete Hegseth and Central Intelligence Agency Director John ...

A Pentagon-wide advisory that went out one week ago warned against using Signal, the messaging app, even for unclassified ...

John Bolton, who was Trump’s national security adviser from 2018 to 2019, said “there’s simply no excuse” to use Signal for sensitive discussions.