https://www.theguardian.com/books/2020/apr/18/on-the-trail-of-a-nazi-war-criminal-its-my-duty-as-a-son-to-find-the-good-in-my-father

East West Street author Philippe Sands uncovers secrets and lies on the trail of Otto Wächter, his devoted wife – and the son brought up to believe his father was a decent man

• Audiobook: the first chapter of Philippe Sand’s The Ratline

In the 1960s, my brother and I often visited our grandparents in Paris, near the Gare du Nord. As children, we understood that the past was painful, that we should not ask questions. Their apartment was a place of silences, one haunted by secrets. They only really began to be addressed when I was in my 50s, the consequence of an invitation to deliver a lecture in Lviv, in Ukraine. Come talk about your work on crimes against humanity and genocide, it said.