Former national security adviser Mike Waltz defended his use of the messaging app Signal during a confirmation hearing ...

President Trump's former national security adviser was pressed on the inclusion of a journalist on a sensitive group chat ...

Mike Waltz, the former national security adviser who left his position in May in the wake of the Signal chat controversy in ...

Mike Waltz, President Donald Trump's nominee for U.S. ambassador to the United Nations, appeared before the Senate Foreign ...

Waltz was removed from his job as national security adviser after he accidentally added a journalist to his Signal chat about an attack on Houthis.

Mike Waltz defiantly defended his use of a group chat to discuss military plans during a hearing to be US ambassador to the ...

Mike Waltz will face questioning from lawmakers for the first time since he was ousted as national security adviser ...

"as National Security Advisory have long handled classified and highly sensitive information. We both know signal is not an ...

Defense Department guidance specifically prohibited employees from using Signal to transmit non-public information ...

Former Trump advisor Mike Waltz defended his use of Signal for discussing military operations, citing a Biden administration ...

Mike Waltz was on Capitol Hill Tuesday for his confirmation hearing to be U.S. ambassador to the United Nations. CBS News ...