NGAN said in the video clip that it has been running his own internal security team for a long time, which "steps up to protect and support families during times of crisis."
Federal authorities claim that he is part of the notorious MS-13 gang and was illegally staying in the U.S. although he was never formally charged with any crime .
It is unclear what specific information Caldwell, a top adviser in the Office of the Secretary of Defense, allegedly leaked and who did he share the information with.