How did the free world stand idly by during the Holocaust? This question is one that continues to echo today.For many years it was commonly thought that the "Final Solution" was shrouded in secrecy, as it was indeed planned to be by Nazi Germany. Yet Information regarding the mass murder of Jews in Europe began to reach the free world soon after these actions began.What did this information entail and how did it reach the "outside world"? In this episode of "On the Holocaust", Yad Vashem's podcast, Dr. David Silberklang will discuss these issues,as well as present the unique story of - Jan Karski who made it his mission to change that. He walked into Hell and back to tell the world what was happening to the Jewish people.