On 11 March 2017, the Popular Mobilization Forces announced that they had discovered a mass grave containing the remains of 500 prisoners executed by ISIS in the prison.[4] There were 39 Indian construction workers who were executed in the region.[5]
On 13 June 2021, it was reported that Iraqi authorities had removed the remains of 123 people murdered by ISIL during the prison attack from a mass grave to identify them using DNA from relatives.[6]