This audiobook is narrated by a digital voice.Gunrunner - A true crime book centered on a real-life Boston area detective hero, Mario Oliveira, who embarks on a series of interconnected gang crimes that leads to his own murder. It's during death that he learns his most important lesson. He's here to tell you about it.Shot six times at point-blank range, Mario not only solved the big case, he's about to get answers to life's nagging question: what h...