Hayat Tahrir al-Sham has arrested several members of the Sham Legion affiliated with the Turkish-backed Free Syrian Army and the crossing point between north Syrian areas held by the two groups remains closed. Tensions are high at the Ghazawiya crossing, which separates the town of Darat Azza in the western …

In the first part of this two-part series, we examined European countries’ recent mass expulsions of Russian diplomats, many of whom are believed to be spies. While we highlighted the ways in which these moves will constrain Russian espionage, we also considered how Russian human intelligence, or ”humint,” work is …

At a time when power dynamics in the Middle East region are in flux due to the shifting circumstances of the Islamic State, the drawdown of U.S. troops in the region, and the intensification of Iranian-backed attacks on U.S. and Saudi Arabian targets in the region, an historical look at …