Signalgate may have been the tipping point for national security adviser Mike Waltz, but his downfall began before he ...

A little over three months into his stint as President Donald Trump's national security adviser, Mike Waltz was embroiled ... commercial messaging application Signal to discuss highly sensitive ...

Mike Waltz, the national security adviser for President Donald Trump, is seen in photos using Signal during a Cabinet meeting ...

Mike Waltz is a fairly conventional Republican foreign policy hawk, but unlike many in Trump’s foreign policy inner circle, ...

President Donald Trump announced he will nominate Mike Waltz to be the next U.S. ambassador to the United Nations just hours ...

A photo from Donald Trump's Cabinet meeting on Wednesday shows former national security adviser Mike Waltz using the ...

Mike Waltz was photographed using Signal in a Cabinet meeting the day before Trump announced he was replacing him as national ...

President Trump is planning to oust Mike Waltz, his national security adviser, multiple news outlets reported Thursday. Waltz ...

Mike Waltz is expected to be ousted from his role as Donald Trump's national security adviser amid the fallout over ‘The ...

Mike Waltz's exit from the Trump administration comes on the heels of the Signal chat scandal. Here's what happened.