An advisor to Defense Secretary Pete Hegseth was put on leave for leaking. Dan Caldwell was escorted out of the Pentagon on Tuesday for “an unauthorized disclosure,” according to Reuters. Details of the unauthorized disclosure are unclear. Reuters reported: One of U.S. Defense Secretary Pete Hegseth’s top advisors, Dan Caldwell, was escorted out of the Pentagon on Tuesday after being identified during an investigation into leaks at the Department of Defense, a U.S. official told Reuters.