article_snippet: (CNN)A U.S. Air Force veteran who allegedly tried to join ISIS in Syria but was turned back by Turkish authorities before
article_snippet: Among the evidence, prosecutors allege: Investigators discovered on his laptop computer a letter saying his wanted to "use the talents and skills given to his by Allah to establish and defend the Islamic States," and a chart of crossing points between Turkey and Syria, where ISIS controls some territory.
article_snippet: Who has been recruited to ISIS from the West?
article_snippet: Why is ISIS so successful at luring Westerners?
article_snippet: In the indictment, U.S. authorities said Turkey was likely suspicious
article_snippet: In addition to that letter and the Turkey/Syria border chart, agents also found recent Internet searches for information on "borders controlled by Islamic state," as well as "Internet searches for 'Flames of War,' an ISIL propaganda video," and "downloaded videos, including one showing ISIL members executing prisoners," the Justice Department said.
article_snippet: They also found what the government said was another 180 jihadist propaganda videos.
article_snippet: CNN's Ray Sanchez, John Newsome and Steve Almasy contributed to this report.