Soren Svestrup (b. 1968) was born in Copenhagen, Denmark. He was adopted as a baby and taken to live with his adoptive parents on a small remote island, Thuro in the south-east of Denmark. He returned to Copenhagen to study at university, studying history, literature and scriptwriting. He started writing episodes for television shows for Danish Broadcasting, but is best known for The Killing, a police procedural featuring a detective who was in foster care, Sara Lund. His first novel, The Chestnut Man (2019) became Netflix Series in 2021. Child protection is the theme in The Chestnut Man; one man has decided the child protection system is inadequate and he has become a vigilante on behalf of neglected children.