Sanctioned entity: TARKHAN TAYUMURAZOVICH BATIRASHVILI. Aliases: Tarkhan Tayumurazovich Batyrashvili, Tarkhan Batirashvili, Omar Shishani, Umar Shishani, Abu Umar al-Shishani, Omar al-Shishani, Chechen Omar, Omar the Chechen. Program: Al-Qaida.