Signalgate was the national security adviser’s most glaring mistake. But his problems ran deeper. After Michael Waltz, the ...

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

Waltz's deputy, Alex Wong, who was also ousted this week, reportedly remains at the National Security Council.

Trumps White House purge is making headlines after he abruptly fired National Security Adviser Mike Waltz. Reports suggest a ...

Fired National Security Adviser Mike Waltz can‘t help but leak his Signal chats. Waltz, whose downfall was precipitated by ...

The Trump adviser responsible for the Signal group chat that became a national security scandal is being replaced and ...

U.S. President Donald Trump ousted his national security adviser Mike Waltz on Thursday and named Secretary of State Marco ...

Follow the latest news headlines from Australia's most trusted source. Read in-depth expert analysis and watch live coverage ...

White House national security adviser Mike Waltz is leaving the administration just weeks after it was revealed he added a ...

The images, captured by Reuters, show Mike Waltz, the former national security adviser, using the TM SGNL app, which allows ...

A video captured by CNN on April 29 shows former National Security Advisor Mike Waltz being prevented from boarding Air Force ...

New photos show ex-Trump adviser Mike Waltz using a modified Signal app called TM SGNL during a cabinet meeting. The app ...