
National security expert urges DHS to raise terror threat level, warns of sleeper cell risks in US
Fox News
Former Secret Service agent Charles Marino urges Department of Homeland Security to raise national terror threat level, warning of increased sleeper cell risks.
Taylor Penley is an associate editor with Fox News.
Marino, a former Secret Service supervisory agent, joined "Fox & Friends First" following joint U.S.-Israeli strikes that killed several Iranian leaders, including Supreme Leader Ayatollah Ali Khamenei.
The unrest prompted retaliation threats along with warnings from security officials who say sleeper cells that have infiltrated the U.S. may be preparing to strike.
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