People were drinking and using marijuanna and witnesses to a fatal shooting in Unicoi County this week told investigators the gun went off accidentally, according to District Attorney General Ken Baldwin.A woman was killed in the incident, but her name has not been released by investigators.Connor Cleveland was arrested and charged with second-degree murder, two counts of reckless endangerment and possession of marijuana.Baldwin says at some point (Cleveland) picked up a gun and was demonstrating what not to do with the gun.