The Seal of the Federal Bureau of Investigation (FBI) - File / Photo: Chip Somodevilla/Getty Images

NEWARK, N.J. (CBSNewYork/AP) — Federal officials have arrested a former New Jersey man who is accused of plotting to support terror groups.

Nader Saadeh, 20, was charged Monday with conspiring and attempting to provide material support to the Islamic State of Iraq and the Levant, or ISIS — a designated foreign terrorist organization.

The former Rutherford resident pleaded not guilty Monday in U.S. District Court in Newark. He was ordered held without bail, WCBS 880’s Marla Diamond reported.

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The feds received a tip from a roommate in the spring that Saadeh’s behavior had changed dramatically and he had become obsessed with ISIS, 1010 WINS’ Sonia Rincon reported.