“So, it’s possible.”
.
.
In the 1950s, the Soviets made a big media splash of having retained Hitler’s skull in Moscow.
Yes, except the skull fragment is genetically a woman’s.
https://www.cbc.ca/news/science/hitler-s-supposed-skull-really-belongs-to-a-woman-1.837652
Odds are a deal was struck to let Hitler go in order to end the war and the Allies and Axis conspired to do this.