Authorities report that the autopsy of a 37-year-old man slain in a domestic shooting on Christmas Eve has been completed and new details of the shooting have been confirmed. According to Cpl. Doug Rainwater of the Forsyth County Sheriff's Office, at about 12:30 a.m. on Dec. 24, Michael Allen Busbee of Cumming was shot and killed by his father after Busbee attacked his father with a sword, designed to be concealed inside a cane, at a residence on Berry Patch Drive in northwest Forsyth County. From their preliminary investigation, Rainwater said that all indications point towards the son being the aggressor in the situation. Drugs and alcohol are not believed to have been a factor in the shooting.