Anti - ISIS propaganda campaign is working , State Department spokesman says . ` ` Young people who are not afraid because we have somehow interceded , '' he says . 19-year - old American accused of wanting to join ISIS is arrested Monday .
Anti-ISIS messaging campaign is working , State Department official says . `` Young people who are not joining because we have somehow interceded , '' he says . 19-year-old American accused of wanting to join ISIS is arrested Monday .