He has written about security issues for more than two decades. What the Leak Revealed: Our reporters discuss what the Signal chat leak revealed about the Trump administration and the state of ...

Dan Caldwell was listed as the Pentagon's point of contact by Defense Secretary Pete Hegseth in the infamous Signal group ...

Federal Judge James Boasberg, the chief U.S. district judge in Washington, on March 27 ordered Ratcliffe—along with Defense Secretary Pete Hegseth, Secretary of State Marco Rubio, Treasury Secretary ...

Dan Caldwell, adviser to US Defense Secretary Pete Hegseth, was removed from the Pentagon amid an ongoing probe into ...

A lawsuit over the Trump administration’s infamous Houthi Signal group chat has revealed what steps departments took to ...

Caldwell’s sudden downfall was tied to an investigation into unauthorized disclosure of department information.

Two senior aides to Defense Secretary Pete Hegseth, both political appointees, have been suspended amid a Pentagon inquiry ...

Dan Caldwell, a senior adviser to Pete Hegseth, has been placed on administrative leave as part of a leak investigation, a ...

Top Hegseth adviser escorted from Pentagon and put on leave in leak probe - U.S. Defense Secretary named Dan Caldwell as his ...

This week, an all-new series of controversies centered on U.S. Secretary of Defense Pete Hegseth has erupted in controversy ...

The SignalGate scandal has shaken the Trump administration's national security leadership, with officials Dan Caldwell and ...