Classification compliance? Records retention requirements? How quaint A US Department of Defense watchdog has opened an investigation into its own Secretary of Defense, Pete Hegseth, over his use of instant-messaging app Signal to discuss government business.

The Pentagon’s official watchdog revealed Thursday that it is conducting an investigation into Defense Secretary Pete Hegseth’s role in Signalgate. Hegseth had sent detailed attack plans to a Signal group chat of top Trump administration officials on March 15 that inadvertently included Atlantic editor in chief Jeffrey Goldberg,

The Pentagon's inspector general is investigating Defense Secretary Pete Hegseth's use of Signal for sensitive discussions on Yemen. The probe follows a journalist's accidental inclusion in the chat,