A Taint In The Blood

According to the police, Victoria Bannister's two boys were in a drugged stupor when their mother set fire to the house. Their lives were insured for a million apiece. Now, three decades too late, her daughter wants Kate Shugak to prove Victoria Bannister's innocence. The case is as cold as they come. But when her client is killed Kate has to wonder why - with Victoria behind bars - the people in this family are still dying...
A Taint In The Blood by Dana Stabenow