With Iran's proxy groups, such as Hezbollah and Hamas, largely crippled and unable to aid in any retaliation against the U.S., Iran will largely stand on its own if the country wants to stike any U.S.

It’s been 20 years since the release of the TV series Sleeper Cell, a thriller that lasted two seasons and was labelled ‘unsettling’. Two decades later, the US Customs and Border Protection agency ...

Chloe Trapanotto breaks down the growing panic over sleeper cells in America — and why the fear itself may be more powerful than any real threat. With Iran vowing “Hell on Earth” after the U ...

DHS issued a terrorism bulletin with experts warning of Iranian sleeper cells, campus protest infiltration and online radicalization tactics after U.S. strikes on nuclear sites.

Sleeper Cell, released in 2005, followed an undercover FBI agent trying to infiltrate a terrorist group - and it's streaming right now.

What are sleeper cells, and how do they operate? Sleeper cells are spies or terrorists who operate in rival countries and remain inactive until they are essentially ordered to act.

The bombing of Iran's nuclear sites has raised concerns about potential sleeper cells.

Sleeper cells generally refer to foreign agents who lie low, going about their seemingly normal daily life, until called on to carry out a mission or attack.

Law enforcement agencies in the United States are intensifying their surveillance efforts amid growing concerns over potential Iranian sleeper cells operating within the country, according to CBS ...

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

Those in sleeper cells may live normal lives until triggered to act violently.