However , it contained little detail .
Much of what the Church Committee and the Rockefeller Commission learned about MKUltra was contained in a report , prepared by the Inspector General 's office in 1963 , that had survived the destruction of records ordered in 1973 .
MKUltra contained little detail .
Much of what the Church Committee and the Rockefeller Commission learned about MKUltra was contained in a report , prepared by the Inspector General 's office in 1963 , that had survived the destruction of records ordered in 1973 .