Russian investigators on Tuesday announced the identity of the last suspect involved in the deadly twin blasts in Moscow metro stations a year ago. Spokesman of the Russian Federation Investigative Committee, Vladimir Markin said the last suspect was identified as Gusen Magomedo, a 22-year-old native of Russian republic of Dagestan in North Caucasus region. According to investigators, it was Magomedo who accompanied the female suicide bombers Mariam Sharipova and Janet Abdullayeva from Kizlyar to Moscow and also managed their actions on the day of the attacks. The spokesman said the Investigative Committee has identified all three suspects of the attacks. He said the explosions at the Moscow metro stations were organized by Magomedali Vagabov, a leading figure in the terrorist underground that operated in the territory of Dagestan.