Many Scandinavian writers who had made their name in literary fiction felt they wanted to have a go at the crime novel to show they could compete with the best. If Salman Rushdie had been Norwegian, he would definitely have written at least one thriller.

. We have this attitude that people become drug addicts against their will. That they couldn’t possibly want this kind of life. But maybe that’s not true. Maybe they don’t want to live like other people — it just wouldn’t suit them.

I have to feel that I'm going somewhere all the time. By definition, if you have this urge to go places, then you can't be 100 percent happy where you are. It's not like I enjoy being miserable for weeks on end. But I think it's good to be miserable for about one day every third week - that's ideal for me.

I wasn't that into crime novels at all, but a friend introduced me to the work of Jim Thompson - I loved all his books.

Ever since the '70s, Maj Sjowall and Per Wahloo were the godfathers of Scandinavian crime. They broke the crime novel in Scandinavia from the kiosks and into the serious bookstores.

Intuition is just the sum of all your experience. The way I see it, everything you’ve experienced, everything you know, you think you know and didn’t know you knew is there in your subconscious lying dormant, as it were. As a rule you don’t notice the sleeping creature, it’s just there, snoring and absorbing new things, right. But now and then it blinks, stretches and tells you, hey, I’ve seen this picture before. And tells you where in the picture things belong.

What do we mean by 'crazy?' What do we mean by 'mad?' At what point is a person just different and at what point can we call it a disease and say that they are not responsible for their actions? Or are we all slaves to the chemical processes that go on in our brains?