Waltz was at the center of the Signal chat controversy, in which a journalist was accidentally included in a discussion of ...

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

CBS News also reported that Waltz's former deputy, Alex Wong, fired in the shakeup, remains at the National Security Council.

President Donald Trump's outgoing national security adviser Mike Waltz was photographed peaking at his phone under the table ...

National security adviser Mike Waltz is leaving his White House post, although soon after reports about his departure were ...

President Donald Trump removed Mike Waltz as national security adviser and nominated him as U.S. ambassador to the United ...

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

Former national security adviser John Bolton said chaos is “embedded” in President Trump’s DNA after national security ...

Waltz was among high-ranking members of the administration who accidentally shared plans about a forthcoming U.S. military ...

President Donald Trump is replacing his National Security Adviser, Mike Waltz, and nominating him to be Ambassador to the ...

Trump said he's nominating Michael Waltz to be ambassador to the United Nations, while Secretary of State Marco Rubio will ...