Mystery: Dr. Cynthia Watson. Mystery: TWA Flight 800 and US Marine Corps Helicopter Crash. Murder: Robert Dirscherl. Mystery: Comet/Earth Collision. Special Bulletin: Murder: Ennis Cosby. Special Bulletin: Wanted David Alex Alvarez. Update: "Murder: Sandra Orellana". Update: "Michele Cartagena and Grant Hendrickson"/"Wanted: Andy Cook"