What’s it like to talk at length to a serial killer?
‘I’ve never met a human being who doesn’t appreciate being listened to, being taken seriously,’ said Asbjorn Rachlew, the Norwegian homicide detective who one afternoon in the summer of 2011 found himself listening to Anders Breivik, who had just killed 77 people in a shoot-out on an island near Oslo. His job, Rachlew explained, was
