Despite the testimony of many witnesses to his Nazi-era crimes, Walther Becker walked out of a German courtroom a free man. The judge in the case – who was later revealed to have his own Nazi sympathies – gave little credence to survivor testimony when he handed down his 1972 verdict.

In this clip, Sara Shapiro describes her initial refusal to leave her parents after they had arranged her escape, but because of her father's insistence, she and her brother fled the ghetto.