Iranian sleeper cells may be hiding 'in plain sight' waiting to target rural US areas, terrorism expert warns

A counterterrorism expert says that Iranian sleeper cells may be hiding "in plain sight," waiting to strike rural areas in America.

Following strikes by the U.S. military on several Iranian nuclear sites on June 22, the Department of Homeland Security (DHS) issued a National Terrorism Advisory System Bulletin, stating there's a heightened risk for Iranian-backed or domestic terrorism.

"The likelihood of violent extremists in the Homeland independently mobilizing to violence in response...