Jan Arnald (born 11 January 1963) is a Swedish novelist and literary critic, who uses the pen name Arne Dahl when writing crime fiction. He is also a regular writer in Swedish newspaper Dagens Nyheter. Under his pen name he has written a series of crime novels about a fictional group of Swedish crime investigators, called "A Gruppen" in Swedish and "the Intercrime Group" in the first English translation. The first five books were made into 180-minute films, screened as two 90-minute episodes per story. The first, Misterioso, was screened on SVT1 in Sweden in 2011, with the following four stories shown between October and December 2012. The last five novels in the Intercrime series were adapted for Series 2, produced by Filmlance. They premiered in February 2015 in Sweden.