The real question is how many got in….
Check it out:

U.S. Border Patrol agents have apprehended at least 474 aliens from terrorism-linked countries attempting to sneak into the country illegally this year alone, according to a leaked document obtained by Breitbart Texas.

According to the document from the U.S. Customs and Border Protection (CBP) Office of Intelligence and Investigative Liaison, of the 474 aliens, 76 are from terrorism-linked nations located in and around the jihadist Islamic State’s area of operation — Turkey (41), Saudi Arabia (13), Syria (7), Jordan (7), Iraq (4),Iran (3), and J Kuwait (1).

The Islamic State, also known as ISIS and ISIL, controls areas inside Syria and Iraq, both countries are bordered by Saudi Arabia, Turkey, Iran, Kuwait and Jordan.