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A Chechen warlord named Doku Umarov has claimed responsibility for the January 24 Moscow airport bombing that killed 36 people. Umarov is a long time Chechen militant and leads the Islamist group “Caucasus Emirate.” In the video, he says, “This special operation was carried out on my orders and, God willing, special operations like it will continue to be carried out." Umarov previously claimed the 2010 Moscow suicide bombing that killed 39 people and is suspected of a 2009 train bombing that killed 26 people.