When Dr. Michael Mastromarino lost his license to practice dentistry, he found a new calling in a dark corner of the medical world, modern-day grave robbing. He and his crew of organ and tissue harvesters set up a vast network to collect and sell as much bio material as they could find. Too bad none of the families of the deceased knew about it. Learn more about your ad choices. Visit podcastchoices.com/adchoices