The Satanic Cabal started making clones in 1938, the technology existed for a very long time.
Mao Zedong and His Personal Secretary Zhang Yufeng, 1962-1976
There is a rumor about Mao Zedong had died before the cultural revolution. The old Mao who appeared in the media with his personal secretary could be just a clone of the real Mao. The cloned Mao acted dumbly and unnaturally that didn't match his age.