Islamic State, Defeated U.S. Foe, Still Brims With Cash, Ambition

Islamic State stays flush with funds despite setbacks in the earlier year, holding economic reserves and a variety of revenue streams that U.S. and Western security officials alert could pay out for a perilous resurgence.

The extremist corporation and its affiliate marketers have property ranging into the hundreds of thousands and thousands of pounds across the Middle East and Central Asia, according to the officials and authorities documents reviewed by The Wall Street Journal.

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