DHS issued a terrorism bulletin with experts warning of Iranian sleeper cells, campus protest infiltration and online ...

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

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

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

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

Sleeper cells are spies or terrorists who operate in rival countries and remain inactive until they are essentially ordered ...

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

An underground network of Iranian sleeper cells poses an unlikely but credible threat to the UK, defense and security experts ...

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

A sniper. A convicted felon with Hezbollah ties. A U.S. citizen who allegedly threatened to shoot ICE officers. These are ...

A devastating church bombing near Damascus, executed by an Islamic State sleeper cell, killed at least 25 people. Authorities ...

Iran’s ‘sleeper cell’ threat proves we MUST secure our borders By . Daniel McCarthy. Published June 24, 2025, 6:42 p.m. ET.