A rebel group that was born out of al-Qaida overthrew Syria President Bashar al-Assad within 10 days. Hayat Tahrir al Sham are now in control of the country, and Assad is in Russia.

In this week’s episode of “The Hunt with WTOP National Security Correspondent J.J. Green,” Hans Jakob Schindler, senior director of the Counter Extremism Project, explains why it all happened so quickly and completely.

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