New York (CBS) --- A North Carolina man suspected of being a terrorist sympathizer was arrested at JFK Airport in New York as he returned from Lebanon, a law enforcement official told CBS News senior investigative producer Pat Milton.
The man, 44-year-old Donald Morgan, was arrested on firearms charges on August 2 and was ordered held without bail at his arraignment in federal court in Brooklyn.
The suspect apparently caught the attention of U.S. counterterrorism agents via his Twitter rants in support of Iraqi extremist militants.
One federal source said at Morgan's arraignment in Brooklyn federal court, prosecutors argued that no bail be set because he presented a threat to the community. They claimed he had pledged allegiance to the leader of the Islamic State of Iraq and Syria (ISIS, also known as ISIL) on Twitter. They also claimed he was a flight risk because he allegedly told arresting FBI agents that he planned to return to Lebanon with a few days.
He is expected to be transferred to Charlotte, North Carolina, where he faces a weapon charge.
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