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Less than one month before the Olympics are set to begin, hotels in the host city of Sochi, Russia, are displaying police leaflets of three potential suicide bombers, one of whom is believed to be inside the city.
The three women are called "black widows" because they're the wives of slain Muslim insurgents. On Monday, an Islamic group in the neighboring Russian republic of Dagestan posted a video threatening to strike the Sochi games.
The U.S. has two Navy ships in the Black Sea to evacuate Americans if there is an attack. The BBC's Steve Rosenberg is in Moscow and joins Here & Now's Jeremy Hobson with details.
This segment aired on January 21, 2014.