Overview: Police patrolling the night streets hear gunshots and head to the scene. They find a nude middle-aged man in parking lot lying face down in a puddle of blood. When the body reaches the morgue, Dr. G cannot find a bullet wound. When the police search the man's apartment, they find tissues soaked with blood. Could the man have coincidently died from a medical condition at the same time that unrelated gunshots were fired nearby?A 54-year-old theme park security guard calls his girlfriend from his cellular phone. His speech is slurred, and he says he is in trouble, but he cannot tell her what is wrong. Hours later, he is found dead in his car in the parking lot of the theme park where he works. The man had a history of heart trouble. Did he suffer a heart attack, or was he killed by something or someone else?While being visited by her siblings from New York, a woman finds her 31-year-old brother dead in bed. The man suffered from epilepsy, and traces of cocaine were also found in his bedroom. Did he suffer a fatal seizure, or was his death drug-related?