uzbekistan? >> there are two major groups. the first affiliated with isis and the second affiliated with al-qaeda. both those groups have significant presence in syria and iraq. at least 1,500 ubeks have traveled to those foreign countries, there's a lot of jihadi propaganda in uzbek. and some have notably carried out attacks in the west. so investigators are going to look at perhaps if there was travel back and forth between uzbekistan. also there was a dhs study which looked at foreign-born violent