He also succeeded the slain Said Buryatsky as leader of the Caucasus Emirate 's unit of suicide bombers , the Riyad - us Saliheen .
That led to Byutukayev 's rapid promotion to the commander of Chechnya 's Southwestern Front .
Byutukayev also succeeded the slain Said Buryatsky as leader of the Caucasus Emirate 's unit of suicide bombers , the Riyad - us Saliheen .
That led to Byutukayev 's rapid promotion to the commander of Chechnya 's Southwestern Front .