 the research process for that book, four years into the process when I one day stumbled on, it's about this murder that happened in 1972, and almost by accident I stumbled on the identity of the murderer, who is somebody who is still alive and had never been identified. And it was this huge revelation, but then something I needed to think really carefully about, like what's the responsible way of doing this, to point the finger at somebody and accuse them of murder in a book? And then also from a storytelling perspective, how would you...