U.S. Secures Vast New Trove of Intelligence on ISIS

The New York Times: WASHINGTON — The United States is poring over a vast trove of new intelligence about Islamic State fighters who have flowed into Syria and Iraq and some who then returned to their home countries, information that American officials say could help fight militants on the battlefield and prevent potential plotters from slipping into Europe.

American-backed Syrian Kurdish and Arab militias have seized more than 10,000 documents and 4.5 terabytes of digital data in recent weeks while fighting insurgents in Manbij in northern Syria, near the Turkish border, a major hub for Islamic State fighters entering and leaving Syria, American officials said.

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