For high-stakes plots like an effort to kill President Trump, Iran has turned to common criminals, raising questions about ...

What is a sleeper cell, and why are US officials on high alert? by: Taylor Delandro Posted: Jun 24, 2025 / 08:28 AM EDT Updated: Jun 24, 2025 / 08:28 AM EDT ...

What is a sleeper cell, and why are US officials on high alert? by: Taylor Delandro Posted: Jun 24, 2025 / 07:07 AM CDT Updated: Jun 24, 2025 / 07:07 AM CDT ...

Iran sleeper cell threat is now a growing concern in the U.S. after Donald Trump suddenly left the G7 summit, reportedly due to intelligence warning of possible attacks on American soil. Following ...

Sleeper cells are spies or terrorists who remain inactive in the US or other Western nations until ordered to act. Intelligence officials say Iran has long relied on this tactic to advance plots ...

Sleeper cell threat has ’never been higher’ A federal law enforcement agency warned on Sunday —the same day the United States bombed Iranian nuclear facilities— that the threat of sleeper cells has ...

Iran warned of sleeper cell attacks on US soil if the Americans strike its nuclear sites Threat was conveyed to President Trump via an intermediary during the G7 summit in Canada Trump authorised ...

What have past attacks taught us? Identifying sleeper cells is extremely difficult. Walter pointed out that some individuals may be homegrown or enter the U.S. undetected. She noted that even when ...

Iran threatened to activate sleeper cells in the U.S. days before President Donald Trump decided to strike Iran’s nuclear facilities Saturday night, two U.S. officials told NBC News.