Why Russia’s Vast Security Services Fell Short on Deadly Attack – The New York Times

Why Russia’s Vast Security Services Fell Short on Deadly Attack  The New York TimesRussia Tightens Security In Wake Of Moscow Concert Shooting  Radio Free Europe / Radio LibertyAnalysis | Putin sees Kyiv in Moscow terrorist attack. But ISIS is its own story.  The Washington PostRussian investigators receive more than 100 missing person reports after Moscow concert hall attack  CNNPutin Is ‘Losing Control’ in Russia: Dictator Expert  Newsweek