Death Knell: A John Keegan Mystery

Detective John Keegan investigates the murder of a drug dealer in Brooklyn, which leads him to uncover a vicious underground mob. He will then discover a vigilante is responsible for the deaths of several criminals. Before a final confrontation with the killer, Keegan must first decide whether or not to investigate the death of such criminals. He will also face death twice; both a family member and a close friend will die before Keegan must do something every cop fears: kill in the line of duty.