Are Iran's Sleeper Cells Already Inside the US?

In the wake of dramatic U.S. airstrikes targeting Iran's nuclear facilities at Fordow, Natanz, and Isfahan, the geopolitical climate has shifted rapidly, prompting American intelligence and security agencies—most notably the FBI and the Department of Homeland Security—to heighten vigilance over what many experts now fear could be a new front in the conflict: Iranian sleeper cells embedded within the United States.

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LIVING QUIETLY, WAITING SILENTLY Sleeper cells refer to covert operatives, often tied to foreign terrorist groups or intelligence services, who reside in a target country while maintaining an unremarkable and law-abiding public profile until activated to perform operations ranging from surveillance and cyber-infiltration to sabotage or acts of mass violence. The danger lies not in their presence but in their invisibility—by the time they act, it is often too late.

IRAN'S ASYMMETRIC ADVANTAGE Given Iran's limited conventional military reach and lack of long-range strike capability against the U.S. mainland, the regime may now lean more heavily on asymmetric tactics through non-state actors, particularly its most reliable proxy—Hezbollah. The Shiite militia, long backed and trained by Iran's Islamic Revolutionary Guard Corps (IRGC), has developed clandestine global networks, including suspected logistical and fundraising cells in Latin America and North America.