Iran may be activating sleeper cells outside the country, alert says

The U.S. has intercepted encrypted communications believed to have originated in Iran that may serve as “an operational trigger” for “sleeper assets.”

​The U.S. has intercepted encrypted communications believed to have originated in Iran that may serve as “an operational trigger” for “sleeper assets.”  US The U.S. has intercepted encrypted communications believed to have originated in Iran that may serve as “an operational trigger” for “sleeper assets.”