Overview: Dr. G preforms an autopsy on an alleged hit-and-run victim found in a parking lot, but finds no evidence of vehicular injury on the 41-year-old man's body. Could his alcoholism have had a role in his death?Dr. G investigates the death of a an 88-year-old woman found dead at the bottom of staircase outside her apartment building. Head trauma indicates that woman did not die of natural causes. Did she accidentally fall down the stairs or was she attacked?A man with a genetic disorder dies from a brain tumor at his 35th birthday party. His mother, who has another son with the same disorder, requests an autopsy to find out whether the tumor was linked to the genetic disorder. If so, is the brother of the victim at risk of dying in the same manner?