Mourners carry remains of Yazidi people after they were exhumed from a mass grave, to bury them in Kojo, Iraq. Reuters/Thaier al-Sudani
Mourners carry remains of Yazidi people after they were exhumed from a mass grave, to bury them in Kojo, Iraq. Reuters/Thaier al-Sudani

Western ISIS recruits responsible for majority of Yazidi genocide crimes