One of Osama Bin Laden’s closest aides appeared before a federal court in New York City on Friday. Sulaiman Abu Ghaith pleaded not guilty to charges of plotting to kill Americans.

This is the first time such a senior al-Qaeda figure faces a civilian trial in the United States, and the move could mark a shift in the legal treatment of terrorism suspects.

Host Aaron Schachter spoke with John Radsan, a former assistant general counsel at the CIA.