article_snippet.sent: Neither is suspected of having direct links to the leadership of a terrorist group.
article_snippet.sent: Like other European countries, Germany is grappling with an unprecedented terrorist threat because of the high number of Germany citizens who have traveled to Syria and Iraq.
article_snippet.sent: In recent years there has been growing concern over radicalization in Germany's large Turkish diaspora community.
article_snippet.sent: Travel to Syria is particularly easy for individuals of Turkish descent because Turkey is the entry point for most foreign fighters traveling to Syria.
article_snippet.sent: According to Flade, almost 700 Germans are believed to have traveled to Syria and IraqIraq, with up to 90% joining ISIS.
article_snippet.sent: One-third of these have returned to Germany and 70 to 80 have been killed in the fighting in Syria and IraqIraq.
article_snippet.sent: There has only been one fatal terrorist attack in Germany since 9/11 -- the shooting death of two U.S. airmen outside Frankfurt Airport by a lone-wolf radicalized Islamist in March 2011.