Investigators are asking about Defense Secretary Pete Hegseth’s lawyer and a top aide as they look into the Signal app controversy.

Mike Waltz, President Trump's former national security adviser, testified Tuesday at his Senate confirmation hearing to be U.S. ambassador to the United Nations.

Defense Secretary Pete Hegseth attacked the media for reporting on a preliminary, low-confidence assessment that said Iran’s nuclear program was only set back a few months after U.S. strikes.