The continued upsurge of violence in Dagestan since 2008 included the killing of Gen. Valery Lipinsky , the first deputy head of the Internal Troops in the North Caucasus ; the sniper assassination of Dagestan 's Interior Minister , Gen. Adilgerei Magomedtagirov ; and the massacre of four policemen and seven alleged prostitutes at a bathhouse in Makhachkala . In 2009 , at least 58 police officers were killed in Dagestan . The Vilayat Dagestan was responsible for a suicide attack on 6 January 2010 that killed six policemen ; twin bombings in which two female bombers killed more than 40 people in the Moscow Metro in March 2010 ; and several suicide attacks against Russian security and military installations ( such as the double bombing which killed 12 in Kizlyar ) . In February 2012 , the Vilayat 's then leader , Ibragimkhalil Daudov ( aka Emir Salikh ) , was killed by Russian security forces
twin bombings
2010 Moscow Metro bombings
Shariat Jamaat