U.S. intelligence agencies intercepted an encrypted Iranian signal that federal officials believe could be linked to the activation of dormant operatives inside the United States, according to threat ...

The death of Iran’s Supreme Leader Ali Khamenei on February 28 has reportedly triggered a series of covert communications that have raised concerns among intelligence agencies across the world.

The U.S. recently intercepted encrypted messages believed to be from Iran that could serve as an “operational trigger” for “sleeper assets,” according to a federal government alert sent to law ...

Smoke and flames rise at the site of airstrikes on an oil depot in Tehran on March 7, 2026. The United States and Israel launched strikes against Iran on February... About 1,500 Iranians were ...

Chris Hayes laid into Donald Trump after the president suggested the U.S. knew the location of some Iranian sleeper cells, but chose to merely keep an eye on them. The MS NOW host sounded off on Trump ...

The man who ran security at 1984 Los Angeles Olympics and the 1996 Atlanta Games — where a bomber killed two and wounded more than 100 — warns that Iranian “sleeper cells” are likely plotting attacks ...

President Donald Trump on Wednesday said that United States authorities know the location of “most” suspected Iranian sleeper cells in the country, as officials have warned about political retaliation ...