Hanne Gellein (b. 1978) is from Trondheim, but lives in the city of Östersund in Sweden with her husband and children. She is a trained nurse but has now turned her attention more towards writing of crime fiction. She made her debut in 2020 with the critically acclaimed novel All the Little Birds. Her second novel, Death You Must Suffer, is a character driven crime of the gruesome and unpredictable kind, inspired by the true story of Norway’s worst serial killer.