One of U.S. Defense Secretary Pete Hegseth's leading advisers, Dan Caldwell, was escorted from the Pentagon on Tuesday after being identified during an investigation into leaks at the Department of Defense,

Defense officials say Dan Caldwell, a senior adviser to Defense Secretary Pete Hegseth, has been placed on administrative leave and was escorted out of the Pentagon by security.

Caldwell was named in the “Signalgate” drama when Hegseth told the rest of the leaked group what that he was the Pentagon’s best staff point of contact for the National Security Council as it prepared for strikes in Yemen.