The communications app TeleMessage, which was spotted on former US national security adviser Mike Waltz's phone, has ...

TeleMessage, the app that President Donald Trump’s former national security adviser, Mike Waltz, appeared to use to archive ...

A phone app that Mike Waltz, President Donald Trump’s former national security adviser, apparently used to save his text ...

"I think it will be a brutal confirmation hearing," Sen. Mark Warner said of Mike Waltz. "I think he's going to have tough ...

Message contents and government official contact information were obtained during the breach, 404 Media reports.

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

A photo taken this week showed Mike Waltz using an app that looks like—but is not—Signal to communicate with top officials.

More than a month after he drew criticism for using Signal to discuss an impending military attack, Waltz was seen using what ...

The Trump administration ousted national security advisor Mike Waltz and other staffers with the National Security Council, ...

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

National security adviser Mike Waltz and his deputy, Alex Wong, are exiting the administration, CBS News’s Jennifer Jacobs ...