Overview

• Dan Caldwell, a senior adviser to Defense Secretary Pete Hegseth, was escorted from the Pentagon and placed on administrative leave for an alleged unauthorized disclosure of classified information.
• The investigation is linked to a Signal group chat involving discussions of military operations against the Houthis in Yemen, reportedly including high-ranking officials and a journalist.
• A March 21 memo from Hegseth’s chief of staff, Joe Kasper, initiated the probe into leaks of sensitive national security information, with polygraph tests left as a possible tool for the investigation.
• Officials have confirmed the investigation remains ongoing, with potential criminal charges or further administrative actions yet to be determined.
• The incident highlights broader concerns about secure communication practices and accountability within the Department of Defense.