CBP has previously denied that there were any directives issued to deny entry to the U.S, but wouldn't confirm whether a directive to question and detain certain travellers existed.

The memo directs officers to ask individuals with military connections about their religious affiliations, to determine whether they are members of the Quds special unit of the Iranian Revolutionary Guard Corps.

A series of demands from U.S. Customs and Border Patrol have stymied efforts by parties on either side of the border to ensure the CAT's move to Bar Harbor, Maine.