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.

Illegals from terrorism-linked countries apprehended by Border Patrol agents are referred to as Special Interest Aliens (SIAs) in the CBP intelligence document.

SIAs are individuals whose native country is found on a list of 35 nations described in a November 2004 CBP memo as “special interest countries.”

A 2011 audit by the DHS inspector general, which originally included a similar list that was later taken down, described special interest countries as those “that have shown a tendency to promote, produce, or protect terrorist organizations or their members.”

CBP refused to respond to numerous requests for comment on this story.

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