An autopsy is scheduled for today in connection with a Tumalo man who was shot Sunday night at the family home. Authorities say Steven Hargrave, 29, was killed in the shooting.   His father, James Hargrave, 61, is accused in the crime.  Deschutes County Sheriff Captain Marc Mills has more details: “We do know that there was an argument.  We're not prepared to talk about the specifics of that yet; but there is the possibility that alcohol was involved to this situation.” Steven Hargrave lived with his parents. His mother reported the shooting. James Hargrave is lodged in the Deschutes County Jail. He is scheduled for formal arraignment on Friday.