Improbable Cause - J. A. Jance

When a dentist is killed, Detective Beaumont discovers that the victim was a despicable character that society is well off without. And Beaumont soon begins to wonder about real justice as he unearths an unlikely bunch of vigilantes. \n \nA spellbinding tale of twisted depravity and blood vengeance featuring Seattle detective J.P. Beaumont from the New York Times bestselling author of Betrayal of Trust\n \nJ. A. Jance\n \nImprobable Cause\n \nPerhaps it was fitting justice: a dentist who enjoyed inflicting pain was murdered in his own chair. The question is not who wanted Dr. Frederick Nielsen dead, but rather who of the many finally reached the breaking point. The sordid details of this case, with its shocking revelations of violence, cruelty, and horrific sexual abuse, would be tough for any investigator to stomach. But for Seattle Homicide Detective J.P. Beaumont, the most damning piece of the murderous puzzle will shake him to his very core--because what will be revealed to him is nothing less than the true meaning of unrepentant evil.\n