See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Former White House national security adviser Mike Waltz was seen using ...

Former national security adviser Mike Waltz was photographed using a Signal-like messaging app during Wednesday’s Cabinet ...

Former National Security Advisor Mike Waltz was photographed checking his Signal chat the day before President Donald Trump announced he was stepping down from the role. U.S. National Security Advisor ...

Mike Waltz, the departing national security adviser at the center of "Signalgate," is seen in new photos using the commercial messaging application during a Cabinet meeting held by President Donald ...