hans frank was hanged for the murder of 4 million human beings, 3 million jews, 1 mllion poles.lling. but you go through their personal documents, their letters, their diaries and you see they are also capable of love and humanity and decency, and this is the fundamental problem. how do a highly intelligent, highly educated, highly cultured human beings get involved in mass murder? and it's notjust an issue for back then. a couple years ago, i stood in the international court ofjustice doing the case for gambia against myanmar in relation to the treatment of their rohingya, allegations of genocide. and sitting no further away from me than you are today was aung san suu kyi, and i sat there looking at her thinking, "how can you possibly defend this horror?" and this is a nobel peace prize winner ofjust a few years ago, and now she's standing up in court defending, effectively, mass killing. you are a highly educated man and you spent years, decades on this very question of how and why people who appear to be ordinary like you and me can become killers, mass murderers. have you fo