However, the real evil would come to Auschwitz under the name of Josef Mengele , a cruel German doctor who saw in the camp prisoners perfect subjects to carry out his cruel experiments. «When Mengele arrived , in May 1943, Auschwitz was packed with more than 140,000 prisoners and extended for kilometers in all directions», determine Geral L. Posner and John Ware in their work « Mengele . The doctor of Hitler's experiments.
According to the survivors, the cruelty of this doctor was such that he enjoyed going to the train station when a transport arrived to, in addition to deciding who lived and who died as a medical expert, to look for human guinea pigs for his tests. Among his favorite experimental subjects were young twins, whom he subjected to all kinds of harassment.
