Study released Wednesday by researchers at Duke University and UNC-Chapel Hill . 139 people listed as `` Muslim-American terrorism offenders '' since 9/11 . The study found that of the 142 individuals who were convicted for terrorism-related offenses in federal court between 2001 to 2010, only one was a U.S. citizen. But it is the Muslim-American communities themselves who play a large role in keeping the number of radicalized members low through their own practices , according to the study . Study : Ideology `` that justifies the use of violence for political ends '' is roundly condemned .
Study released Wednesday by researchers at Duke University and UNC-Chapel Hill . 139 people listed as `` Muslim-American terrorism offenders '' since 9/11 . The study found that of the 142 individuals who were convicted for terrorism-related offenses in federal court between 2001 to 2010, only one was a U.S. citizen. Study : Ideology `` that justifies the use of violence for political ends '' is roundly condemned .