She did arrive this morning at about 7 a.m. at Dulles on a flight from Argentina and she's currently being interviewed.

If they are not going to be admitted into the U.S., then they would be put on a flight back to the country that they originated in.

We do not specifically read correspondence if it's just a letter. The only way we could read correspondence is if we have a search warrant or have written authorization from the sender or the addressee.