A former FBI special agent tells FOX News that these sleeper cells could be targeting the nation's rural areas since they're ...

As Iran continues to consider further retaliation against the US after it bombed its nuclear facilities, experts warned enacting sleeper cell agents being activated are a high possibility.

He fears that sleeper cells have been activated in Canada to target those who oppose the Iranian regime and is urging the Canadian government to prioritize the establishment of an independent ...

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.

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 ...

Former Police Commissioner Ed Norris explains the threat of ‘sleeper cells’ following the US airstrikes targeting Iran, on this edition of FOX Undercover.Norris ...

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.

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.

Terrorist sleeper cells are a known part of Iran's global strategy. Appeasement doesn't work in the face of such tactics.

The Trump administration has warned of Iranian “sleeper cells” operating in America as the United States braces for Tehran’s response to strikes on three of its nuclear sites over the weekend. Sleeper ...

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.

Rep. Brian Mast is the latest to express concern over sleeper cells in the United States following its strikes against Iran.