These programmes are best seen as a series of linked genocides, each having its own history, background, purpose and significance in the Nazi scheme of things. The Holocaust was the biggest of the killing programmes and, in certain important ways, different from the others. The Jews figured in Nazi ideology as the arch-enemy of the 'Aryan race', and were targeted not merely for terror and repression but for complete extinction. The Nazis failed in this aim because they ran out of time, but they pursued it fanatically until their defeat in 1945. The Holocaust led to widespread public awareness of genocide and to modern efforts to prevent it, such as the 1948 UN Convention on Genocide.
In his bunker, in the Chancellory building in Berlin, knowing that the war was lost and that the “1,000 Year Reich” had lasted only a few years, Hitler committed suicide hours after marrying Eva Braun. Germany formally surrendered to the Allies on May 7, 1945. By the end of the war, more than 55 million had died and 35 million wounded. Only 17 million of the dead were soldiers.
An SS report described the scene: "The Jews stayed in the burning buildings until because of the fear of being burned alive they jumped down from the upper stories…With their bones broken, they still tried to crawl across the street into buildings which had not yet been set on fire…Despite the danger of being burned alive the Jews and bandits often preferred to return into the flames rather than risk being caught by us."
Although he was raised some 5,000 miles from Lithuania, on Long Island, New York, Freund has deep roots in the area. His great-grandparents fled Vilnius in the early 20th century, during an especially violent series of pogroms undertaken by the Czarist government, when the city still belonged to the Russian Empire. “I’ve always felt a piece of me was there,” Freund told me.

Mengele sailed to Argentina in July 1949, assisted by a network of former SS members. He initially lived in and around Buenos Aires, then fled to Paraguay in 1959 and Brazil in 1960, while being sought by West Germany, Israel, and Nazi hunters such as Simon Wiesenthal who wanted to bring him to trial. He eluded capture in spite of extradition requests by the West German government and clandestine operations by the Israeli intelligence agency Mossad. He drowned in 1979 after suffering a stroke while swimming off the Brazilian coast, and was buried under a false name. His remains were disinterred and positively identified by forensic examination in 1985.