"Because there's so many of them, [like the] thousands of little tiny power struggles between the people in the gallery or the little struggle you go through every day on the way through security."They're the kinds of details Garner has always had an eye for — whether in her debut novel Monkey Grip or in her diaries, which won her the Baillie Gifford last year."When I was young and I had vague ideas that maybe I might like to write something one day, I used to think that I wouldn't be able to, because it seemed to me that I was surrounded always by this sea of tiny details and I thought that's not what you need to write a book."But as the years went by, I realised what treasures they were and how there are ways that you can use them and they serve themselves to you."On 7.30 on November, Garner recalled how it felt to realise her "mind and emotions were working in tandem" when she started writing about court."I do feel awe-struck by the law," she said It's as if motive is a kind of a phantom idea that hovers around a really ugly act."Still, Garner added she was "never surprised when I hear about a woman murdering someone" — a sentiment she also expressed in The Mushroom Tapes.In The Mushroom Tapes, Garner described the "weird kind of empathy" she always has for the person on trial.She explained the feeling to Late Night Live: "People suffer from enormous gusts of feeling that they only barely control.""I think human beings are full of potential violence and rage