The second deadly sin (2012) by Asa Larsson

 

 

Kiruna prosecutor, Rebecka Martinsson takes leave when her boss offers a murder case to another prosecute, who is vain and incompetent.  A boy's grandmother is murdered, as is his father and grandfather.  A greedy cousin is looking to inherit shares from an early 1900's iron ore mine.  The origins of these crimes go back decades.  Police officer Erikson helps the 7 year old boy through nurturing and dog therapy.