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 …

Al-Qaida-linked militants in Mali say they have captured at least one Russian mercenary from the Wagner Group, a private military company with alleged links to Russian President Vladimir Putin. Extremists linked to al-Qaida say in a statement they have abducted at least one Russian mercenary, who they describe as a …