The security of the southern border has been a political sticking point between Republicans and the Biden administration.
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Exclusive: Smuggler with ties to ISIS helped migrants enter US from Mexico, raising alarm bells across government
The FBI is investigating more than a dozen migrants from Uzbekistan and other countries allowed into the US after they sought asylum at the southern border with Mexico earlier this year, a scramble set off when US intelligence officials found that the migrants traveled with the help of a smuggler with ties to ISIS, according to multiple US officials.
