Jorn Lier Horst (born in Bamble, Telemark 1970) is a former Senior Investigating Officer at the Norwegian police force. He made his literary debut as a crime writer in 2004 and is considered one of the foremost Nordic crime writers. His series of mystery novels starring chief inspector William Wisting provides a detailed and authentic insight into how criminal cases are investigated and how it affects those involved, whether private or professional. The books represent a simple and accurate picture of the modern Nordic societies and is characterized by political and social commentary subtext.