MYTH/FACT: Known and Suspected Terrorists/Special Interest Aliens at the Southen Border Last year at our Southern Border, DHS encountered more than 3,000 “special interest aliens”—individuals with suspicious travel patterns who may pose a national security risk—not to mention the many criminals, smugglers, traffickers, and other threat actors who try to exploit our borders. https://www.dhs.gov/news/2019/01/07/mythfact-known-and-suspected-terroristsspecial-interest-aliens