Arrests made headlines after investigations into youths traveling to join ISIS . Details are scarce but authorities believe there is no threat to public safety . Three men arrested in the Twin Cities were already known to authorities . Reportedly rode bus to NYC with Hamza ##b and tried flying to jail . years - old charged with lying to FBI and trying to provide support to ISIS . The US prosecutor 's Office and the FBI will hold a news conference Monday .
Arrests made Sunday after investigation into youths traveling to join ISIS . Details are scarce but authorities said there is no threat to public safety . Three men arrested in the Twin Cities were already known to authorities . Reportedly rode bus to NYC with Hamza Ahmed and tried flying to Istanbul . 19-year-old charged with lying to FBI and trying to provide support to ISIS . The US Attorney 's Office and the FBI will hold a news conference Monday .