To whom did Umarov initially resign his position in 2010?
Sheikh Mansour
Shamil Basayev
Aslambek Vadalov
Ali Abu Mukhammad
Answer
Umarov initially resigned his position in 2010 to Aslambek Vadalov, a Dagestani militant and former security chief for Doku Umarov. Vadalov was believed to be a close associate of Umarov and had been involved in several high-profile attacks in the North Caucasus.
The Enigma of Dokka Umarov: Unraveling the Legacy of a Chechen Warlord