Thriller Hole, Harry (Fictitious character) Police Investigation Murder Private investigators Mystery fiction Serial murder investigation Cold cases (Criminal investigation) Crimes against Women World War, 1939-1945 Adult children of dysfunctional families Adultery Art thefts Betrayal Boys Child molesters Crimes contre Detective and mystery stories Drug addicts Dysfunctional families Enquêtes Executive search firms Families Family life Femmes Frolich, Frank (Fictitious character) Frøhlich, Frank (Fictitious character) Gunnarstranda, Chief Inspector (Fictitious character)