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2 Defense Department officials, including senior adviser to Pete Hegseth, put on leave amid leak investigation

Secretary of Defense Pete Hegseth signs a memorandum aboard an E-4B Nightwatch aircraft while flying over the Pacific Ocean, March 28, 2025. (DOD photo by U.S. Air Force Senior Airman Madelyn Keech)

By Eleanor Watson

The Pentagon has put two Defense Department officials on administrative leave pending an investigation into an unauthorized disclosure, officials confirmed to CBS News. Dan Caldwell, a senior adviser to Defense Secretary Pete Hegseth, was escorted from the Pentagon on Tuesday, according to an official. Darin Selnick, the Pentagon’s deputy chief of staff, was also suspended as part of the same probe per two Defense Department officials

Hegseth’s chief of staff Joe Kasper issued a memo at the end of March directing the Pentagon to conduct an investigation into unauthorized disclosures and use lie detector tests if necessary. 

Read more at CBS News