FORT LAUDERDALE (CBSMiami/AP) — A Sierra Leone man is expected to appear in a South Florida federal courtroom for a bail hearing as he faces charges of plotting to ship uranium ore to Iran.

A criminal complaint charges 33-year-old Patrick Campbell of Freetown, Sierra Leone, with attempting to violate the U.S. embargo against Iran. A bail hearing was set Wednesday in Fort Lauderdale. He hasn’t entered a plea.

READ MORE: Parkland Shooter Nikolas Cruz Pleads Guilty To All Counts In School Massacre

Authorities say Campbell was working with a South Florida-based broker on a deal to ship tons of uranium ore known as yellowcake to Iran. The ore can be used for nuclear fuel or weapons.

READ MORE: 'We Want Him Dead, We Want Him Forgotten': Parkland Shooter Nikolas Cruz's Apology Falls Flat With Victims Families

It turned out the broker was actually an undercover U.S. Immigration and Customs Enforcement agent.

Campbell was arrested in August at New York’s John F. Kennedy International Airport. Agents found uranium samples in his luggage.

MORE NEWS: Jason Banegas, Accused Of Killing Hollywood Officer Yandy Chirino, Has Extensive Arrest Record

(TM and © Copyright 2013 CBS Radio Inc. and its relevant subsidiaries. CBS RADIO and EYE Logo TM and Copyright 2013 CBS Broadcasting Inc. Used under license. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed. The Associated Press contributed to this report.)