1988 Prison Massacres - Montazadi's Memoir

The 1988 prison massacres at that point he has already established himself as a thorn in the side of Khomeini and the other members of the IRP who want to keep all of this stuff under wraps. There's actually some evidence that the plan for the executions predates the end of the war so typically the narrative given is that the war that ends in summer of 1988 but right immediately after these executions began possibly as retaliation for this Mujahideen incursion into Iranian territory. Ibrahim Raisi the current president of the Islamic Republic also played a leading role in the 1988 prison massacres.