Jørn Lier Horst

Jørn Lier Horst (born 27 February 1970) is a Norwegian author of crime fiction and a former Senior Investigating Officer at Vestfold police district. His books have been published in over 40 countries and have sold more than ten million copies. Horst made his writing debut in 2004 with Key Witness, based on a true murder story. The detective character in his crime novels is William Wisting, and a television series based on the series premiered in 2019.

Together with Thomas Enger, he writes the thriller series about policeman Alexander Blix and news blogger Emma Ramm.

He has also written children's books, including a series named Clue and books about Detective Agency No. 2.

Personal life Horst was born in Bamble, Telemark, the younger of two brothers. His parents were Oddvar and Hildur Lier Olsen. In 1995 he married Beate Horst and now uses her surname. They live in Stavern with their two children.