Congressman : `` There are other Americans who are being recruited '' by ISIS . Mohammed Hamzah Khan made his first court appearance . The 19-year-old was arrested at O'Hare International Airport on Saturday . He is charged with attempting to provide material support and resources for a terrorist organization, according to the U.S. Attorney's Office in Chicago.
Congressman : `` There are other Americans who are being recruited '' by ISIS . Mohammed Hamzah Khan made his first court appearance . The 19-year-old was arrested at O'Hare International Airport on Saturday . Authorities allege there is evidence that he wanted to join ISIS .