After joining the German army and saving two soldiers during a battle, he decided to be a concentration camp doctor at the forbidden camp called Auschwitz (Josef Mengele 1). From here on, Mengele turned down the path of evil. When more and more prisoners (mostly Jews) arrived at Auschwitz, Mengele would look for the people that stood out to him so he could use them for experimentation. “Josef Mengele plucked out from the masses that passed before him, twins, and unusual mutations: hunchbacks, pinheads, hermaphrodites, giants, dwarfs, obese men and corpulent women. As the people were put aside to be added to Mengele's human zoo” (“Mengele and the family of dwarfs 1”). Mengele then became known for his dreadful experiments on thousands of blameless, poor souls. Soon every prisoner knew who Dr. Mengele was and even people that weren't held captive at Auschwitz feared him. The ultimate nightmare for the prisoners was being face to face with the foul man and having to look into his sinful eyes. Dr. Mengele's gruesome medical experimentation proves that humans are naturally evil because, he tortured, experimented on, and killed many people for no good reason, he did not think his experiments, thoughts, or actions were cruel, and he did not use