President Donald Trump warned Wednesday that potential terrorist “sleeper cells” could already be inside the United States, suggesting many may ...

Its power has long rested on a network of intelligence operations, ideological militias, covert sleeper cells, cyber units, ...

Trump warns of terror 'sleeper cells' in U.S., blames Biden's border policies for security threats as U.S., Israel continue military campaign against Iran.

Donald Trump said US agencies are monitoring sleeper networks and threats linked to Iran after the US–Israel operation that killed Ali Khamenei ...