Topic: Doku Umarov
US investigators are interested in a trip that Tamerlan Tsarnaev, the older brother suspected in the Boston bombing, took to the North Caucasus region of Russia in 2012. They want to know whether he had contact with foreign extremist groups.
Moscow explosion: Experts say the explosion, which killed at least 35, will likely be traced to Russia's volatile north Caucasus region, where political murders, bombings, and kidnappings occur almost daily.
01/24/2011 12:36 pm
Russia considers Chechen separatist Akhmed Zakayev, picked up in Warsaw today under an international arrest warrant, as 'Enemy No. 1.'
09/17/2010 03:58 pm
A Russia bomb that killed six people in the Russian city of Stavropol has led to speculation about jihadis or Islamic militants. But analysts worry about a widening circle of instability – and players – in the north Caucasus.
05/27/2010 02:11 pm
Chechen warlord Doku Umarov claimed responsibility for the Moscow metro bombings that killed 39 people earlier this week and threatened more attacks. Is Umarov leading a Chechen version of Hamas?
04/01/2010 11:09 am
In Russia's restive republic of Dagestan, bombings killed 12 people and injured 23 just two days after the devastating Moscow attack.
03/31/2010 08:56 am
How Russia responds to the Moscow subway bombing terrorist attacks will say much about the direction of Russia itself -- and the power-sharing relationship between Putin and Medvedev.
03/30/2010 02:40 pm
The recent Moscow metro bombings have deep historic and religious roots. Russia should reevaluate counterinsurgency policies, root out corruption, and counter the growth of radical Islam.
03/30/2010 02:10 pm
Yunus-Bek Yevkurov, the Kremlin-backed president of Ingushetia, is the fourth government official in the North Caucasus targeted this month.
06/22/2009 01:00 am