The nonfiction writer David Grann has long been fascinated by obsessive men and women who go to staggering lengths to satisfy their obsessions – by embarking on perilous quests or labouring for years to expose some hidden truth or public lie.
“I always thought that my fascination with obsessed people was because they made the best stories,” Grann told the CBS show 60 Minutes last month. “Over time, I began to realise that I might have a little bit more in common with some of these obsessives than I care to admit.”
