Grand Ayatollah Montazeri reveals the untold story of the 1988 Massacre and mass executation in Iran by the Khomeini regime.
Ayatollah Montazeri: “In my opinion the greatest crime committed in the Islamic republic, from the beginning of the revolution to date for which history will condemn us is being committed by you”
http://www.iranhrdc.org/english/publications/reports/3158-deadly-fatwa-iran-s-1988-prison-massacre.html
https://en.wikipedia.org/wiki/1988_executions_of_Iranian_political_prisoners