Defense Secretary Pete Hegseth’s office has rejected the Pentagon watchdog’s investigation of his actions in sending sensitive attack plans over the Signal messaging app in March, calling the ...

Defense Secretary Hegseth's chief spokesman Sean Parnell called the Pentagon investigation into the secretary’s use of Signal ...

The attack on the Defense Department inspector general appeared intended to undermine the inquiry’s legitimacy even before its findings are made public.

Suspicions about leaks and a mistrust of senior military officers have defined much of the defense secretary’s first six ...