Lyall Lupin never forgave himself for the words he had spoken in front of Greyback at the inquiry: ‘soulless, evil, deserving nothing but death’. He had parroted what was the common view of werewolves in his community, but his son was what he had always been – loveable and clever – except for that terrible period at the full moon when he suffered an excruciating transformation and became a danger to everyone around him.

