
Top Advisor for the Secretary of Defense Pete Hegses Department of Defense officials said he was escorted from the Pentagon on Tuesday and took administrative leave.
First reported by Reuters Caldwell was on leave for “fraudulent disclosure” of information during an investigation into the Pentagon leak. The official confirmed with Fox News Digital that Reuters’ report was accurate but refused to comment on the ongoing investigation.
Caldwell previously worked in a restraint-oriented think tank defense priority, and was previously an American veteran, a group led by Heggs. The foreign policy pragist argued that the US should dramatically reduce its European footprint and pull out Iraqi and Syrian troops.

US Secretary of Defense Pete Hegses will speak at a joint press conference with Panama Security Minister Frank Abrego (from the Frame) after signing the bilateral agreement in Panama City on April 9, 2025. (Franco Brana/AFP via Getty Images)
Last month, Ministry of Defense Probes have been announced He said he plans to enter into “recent unauthorized disclosure of national security information” and use polygraphs to determine the cause of the leak.
“The use of polygraphs in the implementation of this study is in compliance with applicable laws and policies.” I wrote it on a note. “This investigation will be launched soon and will reach its peak with a report to the Secretary of Defense.”
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He wrote, “Information identifies the parties responsible for unauthorized disclosures will be introduced for criminal prosecution.”
Caldwell did not immediately reply to requests for comment.