Chad Wolf and Tom Homan raise concerns about Iranian sleeper cells possibly entering the U.S. through the southern border ...

Rep. Brian Mast (R-FL) underscored the danger that the United States faces after its recent strikes on Iran’s nuclear forces, ...

Former DHS chief warns of Iranian sleeper cells after U.S. strikes, calling it a “highest magnitude" threat and urging the ...

The U.S. strike against Iran on Saturday night has ignited fears that Iran may choose to orchestrate attacks against ...

A memo on Saturday from U.S. Customs and Border Protection Commissioner Rodney Scott issued the warning, The Hill reported ...

Iran sent a communiqué to Trump in the days before last night's strikes on its nuclear facilities threatening to activate ...

U.S. Immigration and Customs Enforcement arrested 11 Iranians, including one with ties to Hezbollah and a suspected former ...

A CBP memo suggests “the threat of sleeper cells ... has never been higher,” even as it says it has no “specific credible ...

Fox News' David Spunt reports the latest on national security concerns related to Iranian sleeper cells. Fox News contributor Joey Jones also weighed in on the threat during 'The Faulkner Focus' and ...

A recent CBP memo warns that the threat posed by Iranian sleeper cells or sympathizers inside the United States "has never ...

Over the past four years, thousands of Iranian national have been documented entering the United States illegally and ...

The United States is on high alert after Iran threatened to activate sleeper cells inside the country in response to ...