Because 9/11 was carried out by 19 foreign-born Arab hijackers, many assume that all terrorists who attack the West are foreigners.
원문출처 : http://www.cnn.com/2017/05/24/opinions/homegrown-terrorism-opinion-bergen/index.html
원문출처 : http://www.cnn.com/2017/05/24/opinions/homegrown-terrorism-opinion-bergen/index.html