From 1994 , Vityaz was active in the First Chechen War , including the federal assaults on Argun and Gudermes , as well as against insurgents in the greater North Caucasus . Vityaz was possibly present during the Samashki massacre in Chechnya in 1995 . Vityaz also participated in the Kizlyar-Pervomayskoye hostage crisis in 1996 and in the Moscow theater hostage crisis in 2002
Moscow theater hostage crisis
Moscow theater hostage crisis
Vityaz (MVD)