In the 1960s Carmen Callil visited the psychiatrist Anne Darquier and they forged a close bond, tragically broken when Anne committed suicide. Years later, Carmen discovered that Anne’s father was Louis Darquier de Pellepoix, a Nazi collaborator and a con man who had abandoned his daughter at birth. She told their story in Bad Faith: A Forgotten History of Family and Fatherland. Carmen Callil spoke to  leading historian of France, Julian Jackson, about the man who sent over...