Dmitry Medvedev is added to the U.S. list of terrorist groups . State Department links the group 's leader to a suicide bombing in U.S. . Washington ( CNN ) -- The group also claims responsibility for 28 bombings in Chechnya .
Dmitry Medvedev is added to the U.S. list of terrorist groups . State Department links the group 's leader to a suicide bombing in U.S. . The group also claims responsibility for 28 bombings in Chechnya .