Columbia Prosecutor's Office
FBI investigating ISIL cell in Turkey's Adıyaman, case file reveals
The Federal Bureau of Investigation has been investigating an Islamic State Iraq and the Levant (ISIL) cell known as the "Dokumacılar" since a suicide attack killed two U.S. citizens and two others on Istanbul's İstiklal Avenue on March 19, 2016, according to revelations from a case file at the Istanbul Chief Prosecutor's Office.