In recent months, the Federal Security Service (FSB) allegedly thwarted several terrorist attacks on Russian soil by migrants from Central Asia. In April, Russian security services claimed that four citizens of Tajikistan and Kyrgyzstan were planning terrorist acts in Moscow (Kommersant, May 6), while in February, seven Central Asian citizens based in Ekaterinburg and supposedly linked to the Islamic State (IS) were charged with terrorism (Interfax, February 8). That same month, another group of migrants, this one in the Novgorod region, was accused of belonging to Hizb ut-Tahrir, an Islamist group banned in Russia, but which operates freely in several...