Former Defense Secretary Mark Esper's security detail, which was provided by the Defense Department, was pulled Tuesday night, a U.S. official told CBS News.

Within hours of his inauguration, Mr. Trump began to pull security details from nearly a half-dozen people who had served in his first term, most of them under threat for enforcing his Iran policy.

President Donald Trump has reportedly taken away the security detail for former Defense Secretary Mark Esper. Esper is among other members of the first Trump administration to have their security detail revoked inclduing former National Security Adviser John Bolton and retired Army Gen. Mark Milley, who was chairman of the Joint Chiefs of Staff.

President Donald Trump has revoked the security detail assigned to his former Defense Secretary Mark Esper, a person familiar with the matter confirmed Wednesday, adding to the growing list of officials who have faced retribution from their onetime boss.