Her parents were secular Soviets, but the younger ones were all enthralled by the Wahhabi preachers who had come to the Caucasus from Saudi Arabia. Dinara couldn’t stand the Wahhabis. But her younger sister was hooked. She had started to wear a head scarf and talked incessantly about jihad, about freeing the Caucasus from Moscow’s yoke, about a caliphate stretching from Afghanistan to Turkey. Dinara was worried they would make her into a suicide bomber, a “Black Widow.” All her sister’s friends wanted to become Black Widows, to come to Moscow and blow themselves up.

