FRONTLINE "Post Mortem" Preview
Video duration: 0:30
Every day, nearly 7,000 people die in America. In over 1,300 counties, elected coroners, many with no medical or scientific background, are responsible for determining what happened. In "Post Mortem," correspondent Lowell Bergman examines death investigation in America, a joint investigation with ProPublica, NPR and the Investigative Reporting Program at UC Berkeley.