Dregs, by Jørn Lier Horst. You can find more about this book at Jørn Lier Horst webpage HERE.
Jørn Lier Horst (b. 1970) has worked as a policeman in Larvik since 1995 and now holds a position as the head of investigations at the local police office. He made his literary debut as a crime writer in 2004 and has now published six books in his crime series set in southern Norway, the saga of Police Inspector William Wisting, his journalist daughter Line, and the team of criminal investigators at Larvik police station.
Key Witness (2004)
Disappearance of Felicia (2005)
When the Sea Calms (2006)
The Only One (2007)
Nocturnal Man (2009)
Closed for winter (2011)